<eml:eml xmlns:eml="eml://ecoinformatics.org/eml-2.1.0" xmlns:stmml="http://www.xml-cml.org/schema/stmml-1.1" xmlns:ds="eml://ecoinformatics.org/dataset-2.1.0" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="eml://ecoinformatics.org/eml-2.1.0 http://nis.lternet.edu/schemas/EML/eml-2.1.0/eml.xsd" packageId="knb-lter-mcm.10003.58" system="knb">
  <access scope="document" order="allowFirst" authSystem="knb">
    <allow>
      <principal>uid=MCM,o=EDI,dc=edirepository,dc=org</principal>
      <permission>all</permission>
    </allow>
    <allow>
      <principal>public</principal>
      <permission>read</permission>
    </allow>
  </access>
  <dataset>
    <shortName>EH</shortName>
    <title>A digital archive of human activity in the McMurdo Dry Valleys, Antarctica from 1902 to present</title>
    <creator>
      <individualName>
        <givenName>Adrian</givenName>
        <surName>Howkins</surName>
      </individualName>
      <address>
        <deliveryPoint>13-15 Woodland Road</deliveryPoint>
        <city>Bristol</city>
        <postalCode>BS8 1TH</postalCode>
        <country>GB</country>
      </address>
      <electronicMailAddress>adrian.howkins@bristol.ac.uk</electronicMailAddress>
      <userId directory="https://orcid.org">https://orcid.org/0000-0002-9615-2337</userId>
    </creator>
    <creator>
      <individualName>
        <givenName>Stephen</givenName>
        <surName>Chignell</surName>
      </individualName>
      <electronicMailAddress>steve.chignell@ubc.ca</electronicMailAddress>
    </creator>
    <creator>
      <individualName>
        <givenName>Poppie</givenName>
        <surName>Gullett</surName>
      </individualName>
      <address>
        <deliveryPoint>Colorado State University</deliveryPoint>
        <city>Fort Collins</city>
        <administrativeArea>CO</administrativeArea>
        <postalCode>80523</postalCode>
        <country>US</country>
      </address>
      <electronicMailAddress>pgullett@rams.colostate.edu</electronicMailAddress>
    </creator>
    <creator>
      <individualName>
        <givenName>Andrew</givenName>
        <surName>Fountain</surName>
      </individualName>
      <address>
        <deliveryPoint>P.O. Box 751</deliveryPoint>
        <city>Portland</city>
        <administrativeArea>OR</administrativeArea>
        <postalCode>97207</postalCode>
        <country>US</country>
      </address>
      <phone phonetype="voice">(503) 725-3386</phone>
      <electronicMailAddress>andrew@pdx.edu</electronicMailAddress>
      <onlineUrl>http://glaciers.pdx.edu/fountain/</onlineUrl>
      <userId directory="https://orcid.org">https://orcid.org/0000-0001-5299-2273</userId>
    </creator>
    <creator>
      <individualName>
        <givenName>Melissa</givenName>
        <surName>Brett</surName>
      </individualName>
      <electronicMailAddress>melissalunabrett@gmail.com</electronicMailAddress>
    </creator>
    <creator>
      <individualName>
        <givenName>Evelin</givenName>
        <surName>Preciado</surName>
      </individualName>
      <electronicMailAddress>evelin_utl@yahoo.com</electronicMailAddress>
    </creator>
    <metadataProvider>
      <organizationName>McMurdo Dry Valleys LTER</organizationName>
      <onlineUrl>http://mcmlter.org/</onlineUrl>
    </metadataProvider>
    <pubDate>2019-08-29</pubDate>
    <language>English</language>
    <abstract>
      <section>
        <para>
          <literalLayout>Over the last half century, the McMurdo Dry Valleys (MDV) of East Antarctica have become a globally important site for scientific research and environmental monitoring. Historical data can make important contributions to current research activities and environmental management in Antarctica, but tend to be widely scattered and difficult to access. We address this need in the MDV by compiling over 5,000 historical photographs, sketches, maps, oral interviews, publications, and other archival resources into an online digital archive. The data have been digitized and georeferenced using a standardized metadata structure, which enables intuitive searches and data discovery via an online interface. The ultimate aim of the archive is to create as comprehensive as possible a record of human activity in the MDV to support ongoing research, management, and conservation efforts. This is a valuable tool for scientists seeking to understand the dynamics of change in lakes, glaciers, and other physical systems, as well as humanistic inquire into the history of the Southern continent. In addition to providing benchmarks for understanding change over time, the data can help target field sampling for studies working under the assumption of a pristine landscape by enabling researchers to identify the date and extent of past human activities. The full database is accessible via the McMurdo Dry Valleys Long Term Ecological Research site: http://mcmurdohistory.lternet.edu/.</literalLayout>
        </para>
      </section>
    </abstract>
    <keywordSet>
      <keyword>biology</keyword>
      <keyword>conservation</keyword>
      <keyword>disturbances</keyword>
      <keyword>ecology</keyword>
      <keyword>geographic information systems</keyword>
      <keyword>geology</keyword>
      <keyword>historical value</keyword>
      <keyword>history</keyword>
      <keyword>human disturbance</keyword>
      <keyword>humans</keyword>
      <keyword>hydrology</keyword>
      <keyword>land use</keyword>
      <keyword>land use history</keyword>
      <keyword>limnology</keyword>
      <keyword>long term monitoring</keyword>
      <keyword>oceanography</keyword>
      <keyword>resource management</keyword>
      <keyword>spatial methods</keyword>
      <keywordThesaurus>LTER Controlled Vocabulary</keywordThesaurus>
    </keywordSet>
    <keywordSet>
      <keyword>hydrology</keyword>
      <keyword>limnology</keyword>
      <keyword>McMurdo Dry Valleys</keyword>
      <keyword>meteorology</keyword>
      <keywordThesaurus>Station Keywords</keywordThesaurus>
    </keywordSet>
    <keywordSet>
      <keyword>disturbance</keyword>
      <keywordThesaurus>LTER Core Areas</keywordThesaurus>
    </keywordSet>
    <intellectualRights>
      <section>
        <title>Data Policies</title>
        <para>
          <literalLayout>This data package is released under the Creative Commons Attribution 4.0 International License (CC BY 4.0; http://creativecommons.org/licenses/by/4.0/), which allows consumers (hereinafter referred to as “Data Users”) to freely reuse, redistribute, transform, or build on this work (even commercially) so long as appropriate credit is provided. Accordingly, Data Users are required to properly cite this data package in any publications or in the metadata of any derived products that result from its use (in whole or in part). A recommended citation is provided on the summary metadata page associated with this data package in the McMurdo Dry Valleys LTER Data Catalog (https://mcmlter.org/data), and a generic citation may be found on the summary metadata page in the repository where this data package was obtained. When these data contribute significantly to the contents of a publication, Data Users must also acknowledge that data were provided by the NSF-supported McMurdo Dry Valleys Long Term Ecological Research program (OPP-2224760). This data package has been released in the spirit of open scientific collaboration. Hence, Data Users are strongly encouraged to consider consultation, collaboration, and/or co-authorship (as appropriate) with the data package creator(s). Data Users should be aware these data may be actively used by others for ongoing research; thus, coordination may be necessary to prevent duplicate publication. Data Users should also recognize that misinterpretation of data may occur if they are used outside the context of the original study. Hence, Data Users are urged to contact the data package creator(s) if they have any questions regarding methodology or results. While substantial efforts are made to ensure the accuracy of this data package (with all its components), complete accuracy cannot be guaranteed. Periodic updates to this data package may occur, and it is the responsibility of Data Users to check for new versions. This data package is made available “as is” and comes with no warranty of accuracy or fitness for use. The creator(s) of this data package and the repository where these data were obtained shall not be liable for any damages resulting from misinterpretation, use, or misuse of these data. Finally, as a professional courtesy, we kindly request Data Users notify the primary contact referenced in the metadata when these data are used in the production of any derivative work or publication. Notification should include an explanation of how the data were used, along with a digital copy of the derived product(s). Thank you.</literalLayout>
        </para>
      </section>
    </intellectualRights>
    <distribution>
      <online>
        <url function="information">https://mcm.lternet.edu/content/digital-archive-human-activity-mcmurdo-dry-valleys-antarctica-1902-present</url>
      </online>
    </distribution>
    <coverage>
      <temporalCoverage>
        <rangeOfDates>
          <beginDate>
            <calendarDate>1902-01-01</calendarDate>
          </beginDate>
          <endDate>
            <calendarDate>2016-06-28</calendarDate>
          </endDate>
        </rangeOfDates>
      </temporalCoverage>
    </coverage>
    <contact>
      <individualName>
        <givenName>McMurdo Dry Valleys LTER</givenName>
        <surName>Information Manager</surName>
      </individualName>
      <electronicMailAddress>im@mcmlter.org</electronicMailAddress>
    </contact>
    <publisher>
      <organizationName>McMurdo Dry Valleys LTER</organizationName>
      <onlineUrl>http://mcmlter.org/</onlineUrl>
    </publisher>
    <pubPlace>McMurdo Dry Valleys LTER</pubPlace>
    <methods>
      <methodStep>
        <description>
          <section>
            <para>
              <literalLayout>Using bibliographies of MDV publications (including grey literature) (Antarctic Division, D.S.I.R., 1985; Mead, 1978; New Zealand Antarctic Programme, 1995), recommendations from other researchers, and outreach to "Old Antarctic Explorer" organizations, we compiled a list of individuals who have worked in the McMurdo Dry Valleys. We then contacted these individuals with requests for historical photographs and documents related to the MDV (Fig. 1). When we received interested replies, we collected the data using one of the following approaches. If data (especially photographs) were already available in digital format, we arranged for files to be sent to us electronically. When data were not available digitally, we either arranged for the contributors to digitize their documents locally through commercial scanning services, or we visited the researchers in person with a scanner (either a slide scanner or a flatbed scanner depending on the nature of the data). The in-person visits also facilitated oral history interviews with researchers, which we recorded, transcribed, and included in the archive (Fig. 2).In addition to individuals, we also worked with universities, libraries, archives, and national Antarctic programs. Sometimes data were already easily accessible online, such as the Antarctica New Zealand's digital photograph collection (Antarctica New Zealand, 2017). More often, however, data were only available in non-digital formats, in which case we followed a digitization process similar to our work with the individual researchers.</literalLayout>
            </para>
          </section>
        </description>
      </methodStep>
    </methods>
    <dataTable>
      <entityName>EH_ARCHIVALDATA</entityName>
      <entityDescription>EH - Archival Data</entityDescription>
      <physical>
        <objectName>EH_ARCHIVALDATA.csv</objectName>
        <size>11381</size>
        <dataFormat>
          <textFormat>
            <numHeaderLines>1</numHeaderLines>
            <attributeOrientation>column</attributeOrientation>
            <simpleDelimited>
              <fieldDelimiter>,</fieldDelimiter>
              <quoteCharacter>"</quoteCharacter>
            </simpleDelimited>
          </textFormat>
        </dataFormat>
        <distribution>
          <online>
            <url>https://mcm.lternet.edu/sites/default/files/data/EH_ARCHIVALDATA_7.csv</url>
          </online>
        </distribution>
      </physical>
      <attributeList>
        <attribute>
          <attributeName>DATASET_CODE</attributeName>
          <attributeLabel>Dataset code</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>IDENTIFIER</attributeName>
          <attributeLabel>Identifier</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TITLE</attributeName>
          <attributeLabel>Title</attributeLabel>
          <attributeDefinition>Name given to resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name given to resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT</attributeName>
          <attributeLabel>Content</attributeLabel>
          <attributeDefinition>Text of document.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Text of document.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT_URL</attributeName>
          <attributeLabel>Content URL</attributeLabel>
          <attributeDefinition>Link to content on MCM Environmental History website.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Link to content on MCM Environmental History website.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR</attributeName>
          <attributeLabel>Creator</attributeLabel>
          <attributeDefinition>Primary author.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Primary author.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR_OTHER</attributeName>
          <attributeLabel>Other creator</attributeLabel>
          <attributeDefinition>Other authors (in order).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Other authors (in order).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PLACE</attributeName>
          <attributeLabel>Place</attributeLabel>
          <attributeDefinition>Primary place described by resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Primary place described by resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LAT</attributeName>
          <attributeLabel>Latitude</attributeLabel>
          <attributeDefinition>Latitude (Y coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LON</attributeName>
          <attributeLabel>Longitude</attributeLabel>
          <attributeDefinition>Longitude (X coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ASSOCIATED_PLACES</attributeName>
          <attributeLabel>Associated places</attributeLabel>
          <attributeDefinition>Other places described by resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Other places described by resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PEOPLE</attributeName>
          <attributeLabel>People</attributeLabel>
          <attributeDefinition>People mentioned in the document.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>People mentioned in the document.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ACADEMIC_FIELD</attributeName>
          <attributeLabel>Academic field</attributeLabel>
          <attributeDefinition>Most relevant academic field(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Most relevant academic field(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_OTHER</attributeName>
          <attributeLabel>Other</attributeLabel>
          <attributeDefinition>Miscellaneous tags/keywords (e.g. IGY).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Miscellaneous tags/keywords (e.g. IGY).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation and season(s) mentioned in text (if reasonable).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation and season(s) mentioned in text (if reasonable).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON_YYYY</attributeName>
          <attributeLabel>Year</attributeLabel>
          <attributeDefinition>Year of creation.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_EXACT</attributeName>
          <attributeLabel>Date</attributeLabel>
          <attributeDefinition>Date of creation.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>DD/MM/YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_DIGITAL</attributeName>
          <attributeLabel>Digitized date</attributeLabel>
          <attributeDefinition>Date digitized.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Date digitized.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DESCRIPTION</attributeName>
          <attributeLabel>Notes</attributeLabel>
          <attributeDefinition>Additional notes.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Additional notes.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>FORMAT</attributeName>
          <attributeLabel>File format</attributeLabel>
          <attributeDefinition>File format (PDF or PNG or JPG).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>File format (PDF or PNG or JPG).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DIGITIZATION_SPECIFICATIONS</attributeName>
          <attributeLabel>Digitization specifications</attributeLabel>
          <attributeDefinition>N/A</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>N/A</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTRIBUTOR</attributeName>
          <attributeLabel>Contributor</attributeLabel>
          <attributeDefinition>Person(s) who went to the archive.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Person(s) who went to the archive.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TYPE</attributeName>
          <attributeLabel>Type</attributeLabel>
          <attributeDefinition>Environmental history resource type (i.e., Archival Data).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Environmental history resource type (i.e., Archival Data).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COUNTRY</attributeName>
          <attributeLabel>Country</attributeLabel>
          <attributeDefinition>Countries related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Countries related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>LANGUAGE</attributeName>
          <attributeLabel>Language</attributeLabel>
          <attributeDefinition>Language(s) related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Language(s) related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RELATION</attributeName>
          <attributeLabel>Identification number</attributeLabel>
          <attributeDefinition>Identifier number(s) of related resource(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Identifier number(s) of related resource(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SOURCE</attributeName>
          <attributeLabel>Source</attributeLabel>
          <attributeDefinition>Archival reference (e.g. box 39).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Archival reference (e.g. box 39).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>PUBLISHER</attributeName>
          <attributeLabel>Publisher</attributeLabel>
          <attributeDefinition>Name of archive.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name of archive.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>BIBLIOGRAPHIC_CITATION</attributeName>
          <attributeLabel>Bibliographic citation</attributeLabel>
          <attributeDefinition>Full bibliographic citation (Chicago style).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Full bibliographic citation (Chicago style).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RIGHTS</attributeName>
          <attributeLabel>Rights</attributeLabel>
          <attributeDefinition>Copyright (copyright holder). Also note any special requirements.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Copyright (copyright holder). Also note any special requirements.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
      </attributeList>
    </dataTable>
    <dataTable>
      <entityName>EH_BIBLIOGRAPHY</entityName>
      <entityDescription>EH - Bibliography</entityDescription>
      <physical>
        <objectName>EH_BIBLIOGRAPHY.csv</objectName>
        <size>496684</size>
        <dataFormat>
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            <numHeaderLines>1</numHeaderLines>
            <attributeOrientation>column</attributeOrientation>
            <simpleDelimited>
              <fieldDelimiter>,</fieldDelimiter>
              <quoteCharacter>"</quoteCharacter>
            </simpleDelimited>
          </textFormat>
        </dataFormat>
        <distribution>
          <online>
            <url>https://mcm.lternet.edu/sites/default/files/data/EH_BIBLIOGRAPHY_0.csv</url>
          </online>
        </distribution>
      </physical>
      <coverage>
        <temporalCoverage>
          <rangeOfDates>
            <beginDate>
              <calendarDate>1907-01-01</calendarDate>
            </beginDate>
            <endDate>
              <calendarDate>1977-12-31</calendarDate>
            </endDate>
          </rangeOfDates>
        </temporalCoverage>
      </coverage>
      <attributeList>
        <attribute>
          <attributeName>DATASET_CODE</attributeName>
          <attributeLabel>Dataset code</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>IDENTIFIER</attributeName>
          <attributeLabel>Identifier</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TITLE</attributeName>
          <attributeLabel>Title</attributeLabel>
          <attributeDefinition>Name given to resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name given to resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT</attributeName>
          <attributeLabel>Content</attributeLabel>
          <attributeDefinition>Text of article.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Text of article.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT_URL</attributeName>
          <attributeLabel>Content URL</attributeLabel>
          <attributeDefinition>Link to content on MCM Environmental History website.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Link to content on MCM Environmental History website.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR</attributeName>
          <attributeLabel>Creator</attributeLabel>
          <attributeDefinition>Primary author.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Primary author.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR_OTHER</attributeName>
          <attributeLabel>Other creator</attributeLabel>
          <attributeDefinition>Other authors (in order).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Other authors (in order).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PLACE</attributeName>
          <attributeLabel>Place</attributeLabel>
          <attributeDefinition>Primary place described by resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Primary place described by resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LAT</attributeName>
          <attributeLabel>Latitude</attributeLabel>
          <attributeDefinition>Latitude (Y coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LON</attributeName>
          <attributeLabel>Longitude</attributeLabel>
          <attributeDefinition>Longitude (X coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ASSOCIATED_PLACES</attributeName>
          <attributeLabel>Associated places</attributeLabel>
          <attributeDefinition>Other places described by resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Other places described by resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PEOPLE</attributeName>
          <attributeLabel>People</attributeLabel>
          <attributeDefinition>People mentioned in the text (if reasonable).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>People mentioned in the text (if reasonable).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ACADEMIC_FIELD</attributeName>
          <attributeLabel>Academic field</attributeLabel>
          <attributeDefinition>Most relevant academic field(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Most relevant academic field(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_OTHER</attributeName>
          <attributeLabel>Other</attributeLabel>
          <attributeDefinition>Miscellaneous tags/keywords (e.g., IGY).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Miscellaneous tags/keywords (e.g., IGY).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation and season(s) mentioned text (if reasonable).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation and season(s) mentioned text (if reasonable).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON_YYYY</attributeName>
          <attributeLabel>Year</attributeLabel>
          <attributeDefinition>Year of creation.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_EXACT</attributeName>
          <attributeLabel>Date</attributeLabel>
          <attributeDefinition>Date of creation.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>DD/MM/YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_DIGITAL</attributeName>
          <attributeLabel>Digitized date</attributeLabel>
          <attributeDefinition>Date digitized.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Date digitized.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DESCRIPTION</attributeName>
          <attributeLabel>Description</attributeLabel>
          <attributeDefinition>Abstract of publication or additional notes.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Abstract of publication or additional notes.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>FORMAT</attributeName>
          <attributeLabel>File format</attributeLabel>
          <attributeDefinition>File format (PDF).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>File format (PDF).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DIGITIZATION_SPECIFICATIONS</attributeName>
          <attributeLabel>Digitization specifications</attributeLabel>
          <attributeDefinition>N/A</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>N/A</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTRIBUTOR</attributeName>
          <attributeLabel>Contributor</attributeLabel>
          <attributeDefinition>Digitizer (if applicable).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Digitizer (if applicable).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TYPE</attributeName>
          <attributeLabel>Type</attributeLabel>
          <attributeDefinition>Environmental history resource type (i.e., Bibliography).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Environmental history resource type (i.e., Bibliography).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COUNTRY</attributeName>
          <attributeLabel>Country</attributeLabel>
          <attributeDefinition>Countries related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Countries related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>LANGUAGE</attributeName>
          <attributeLabel>Language</attributeLabel>
          <attributeDefinition>Languages(s) related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Languages(s) related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RELATION</attributeName>
          <attributeLabel>Identification number</attributeLabel>
          <attributeDefinition>Identifier number(s) of related resource(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Identifier number(s) of related resource(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SOURCE</attributeName>
          <attributeLabel>Source</attributeLabel>
          <attributeDefinition>Volume</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Volume</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>PUBLISHER</attributeName>
          <attributeLabel>Publisher</attributeLabel>
          <attributeDefinition>Name of publication/publisher.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name of publication/publisher.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>PUBLISHER_LOCATION</attributeName>
          <attributeLabel>Publisher location</attributeLabel>
          <attributeDefinition>Location of publication/publisher.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Location of publication/publisher.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>BIBLIOGRAPHIC_CITATION</attributeName>
          <attributeLabel>Bibliographic citation</attributeLabel>
          <attributeDefinition>Full bibliographic citation (Chicago style).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Full bibliographic citation (Chicago style).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RIGHTS</attributeName>
          <attributeLabel>Rights</attributeLabel>
          <attributeDefinition>Copyright (copyright holder). Also note any special requirements.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Copyright (copyright holder). Also note any special requirements.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
      </attributeList>
    </dataTable>
    <dataTable>
      <entityName>EH_INTERVIEWS</entityName>
      <entityDescription>EH - Interviews</entityDescription>
      <physical>
        <objectName>EH_INTERVIEWS.csv</objectName>
        <size>5450</size>
        <dataFormat>
          <textFormat>
            <numHeaderLines>1</numHeaderLines>
            <attributeOrientation>column</attributeOrientation>
            <simpleDelimited>
              <fieldDelimiter>,</fieldDelimiter>
              <quoteCharacter>"</quoteCharacter>
            </simpleDelimited>
          </textFormat>
        </dataFormat>
        <distribution>
          <online>
            <url>https://mcm.lternet.edu/sites/default/files/data/EH_INTERVIEWS_0.csv</url>
          </online>
        </distribution>
      </physical>
      <coverage>
        <temporalCoverage>
          <rangeOfDates>
            <beginDate>
              <calendarDate>2014-07-31</calendarDate>
            </beginDate>
            <endDate>
              <calendarDate>2017-10-01</calendarDate>
            </endDate>
          </rangeOfDates>
        </temporalCoverage>
      </coverage>
      <attributeList>
        <attribute>
          <attributeName>DATASET_CODE</attributeName>
          <attributeLabel>Dataset code</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>IDENTIFIER</attributeName>
          <attributeLabel>Identifier</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TITLE</attributeName>
          <attributeLabel>Title</attributeLabel>
          <attributeDefinition>Name given to resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name given to resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT</attributeName>
          <attributeLabel>Content</attributeLabel>
          <attributeDefinition>Text of transcript.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Text of transcript.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT_URL</attributeName>
          <attributeLabel>Content URL</attributeLabel>
          <attributeDefinition>Link to content on MCM Environmental History website.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Link to content on MCM Environmental History website.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR</attributeName>
          <attributeLabel>Creator</attributeLabel>
          <attributeDefinition>Interviewee.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Interviewee.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR_OTHER</attributeName>
          <attributeLabel>Other creator</attributeLabel>
          <attributeDefinition>N/A</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>N/A</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PLACE</attributeName>
          <attributeLabel>Place</attributeLabel>
          <attributeDefinition>Primary place described by resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Primary place described by resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LAT</attributeName>
          <attributeLabel>Latitude</attributeLabel>
          <attributeDefinition>Latitude (Y coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LON</attributeName>
          <attributeLabel>Longitude</attributeLabel>
          <attributeDefinition>Longitude (X coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ASSOCIATED_PLACES</attributeName>
          <attributeLabel>Associated places</attributeLabel>
          <attributeDefinition>Other places described by resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Other places described by resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PEOPLE</attributeName>
          <attributeLabel>People</attributeLabel>
          <attributeDefinition>People mentioned in the text (if reasonable), including interviewee.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>People mentioned in the text (if reasonable), including interviewee.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ACADEMIC_FIELD</attributeName>
          <attributeLabel>Academic field</attributeLabel>
          <attributeDefinition>Most relevant academic field(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Most relevant academic field(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_OTHER</attributeName>
          <attributeLabel>Other</attributeLabel>
          <attributeDefinition>Miscellaneous tags/keywords (e.g. IGY).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Miscellaneous tags/keywords (e.g. IGY).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation and season(s) mentioned in interview (if reasonable).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation and season(s) mentioned in interview (if reasonable).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of interview.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of interview.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON_YYYY</attributeName>
          <attributeLabel>Year</attributeLabel>
          <attributeDefinition>Year of interview.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_EXACT</attributeName>
          <attributeLabel>Date</attributeLabel>
          <attributeDefinition>Date of interview.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>DD/MM/YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_DIGITAL</attributeName>
          <attributeLabel>Digitized date</attributeLabel>
          <attributeDefinition>Date digitized.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Date digitized.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DESCRIPTION</attributeName>
          <attributeLabel>Notes</attributeLabel>
          <attributeDefinition>Additional notes.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Additional notes.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>FORMAT</attributeName>
          <attributeLabel>File format</attributeLabel>
          <attributeDefinition>File format (PDF and/or WAV).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>File format (PDF and/or WAV).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DIGITIZATION_SPECIFICATIONS</attributeName>
          <attributeLabel>Digitization specifications</attributeLabel>
          <attributeDefinition>N/A</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>N/A</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTRIBUTOR</attributeName>
          <attributeLabel>Interviewer(s).</attributeLabel>
          <attributeDefinition>Person(s) who went to the archive.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Person(s) who went to the archive.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TYPE</attributeName>
          <attributeLabel>Type</attributeLabel>
          <attributeDefinition>Environmental history resource type (i.e., Interview).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Environmental history resource type (i.e., Interview).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COUNTRY</attributeName>
          <attributeLabel>Country</attributeLabel>
          <attributeDefinition>Countries related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Countries related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>LANGUAGE</attributeName>
          <attributeLabel>Language</attributeLabel>
          <attributeDefinition>Language(s) related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Language(s) related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RELATION</attributeName>
          <attributeLabel>Identification number</attributeLabel>
          <attributeDefinition>Identifier number(s) of related resource(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Identifier number(s) of related resource(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SOURCE</attributeName>
          <attributeLabel>Source</attributeLabel>
          <attributeDefinition>N/A</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>N/A</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>PUBLISHER</attributeName>
          <attributeLabel>Publisher</attributeLabel>
          <attributeDefinition>U.S. National Science Foundation.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>U.S. National Science Foundation.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>BIBLIOGRAPHIC_CITATION</attributeName>
          <attributeLabel>Bibliographic citation</attributeLabel>
          <attributeDefinition>Full bibliographic citation (Chicago style).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Full bibliographic citation (Chicago style).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RIGHTS</attributeName>
          <attributeLabel>Rights</attributeLabel>
          <attributeDefinition>Copyright (copyright holder). Also note any special requirements.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Copyright (copyright holder). Also note any special requirements.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
      </attributeList>
    </dataTable>
    <dataTable>
      <entityName>EH_MAPS</entityName>
      <entityDescription>EH - Maps</entityDescription>
      <physical>
        <objectName>EH_MAPS.csv</objectName>
        <size>2262</size>
        <dataFormat>
          <textFormat>
            <numHeaderLines>1</numHeaderLines>
            <attributeOrientation>column</attributeOrientation>
            <simpleDelimited>
              <fieldDelimiter>,</fieldDelimiter>
              <quoteCharacter>"</quoteCharacter>
            </simpleDelimited>
          </textFormat>
        </dataFormat>
        <distribution>
          <online>
            <url>https://mcm.lternet.edu/sites/default/files/data/EH_MAPS_0.csv</url>
          </online>
        </distribution>
      </physical>
      <attributeList>
        <attribute>
          <attributeName>DATASET_CODE</attributeName>
          <attributeLabel>Dataset code</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>IDENTIFIER</attributeName>
          <attributeLabel>Identifier</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TITLE</attributeName>
          <attributeLabel>Title</attributeLabel>
          <attributeDefinition>Name given to resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name given to resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT</attributeName>
          <attributeLabel>Content</attributeLabel>
          <attributeDefinition>N/A</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>N/A</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT_URL</attributeName>
          <attributeLabel>Content URL</attributeLabel>
          <attributeDefinition>Link to content on MCM Environmental History website.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Link to content on MCM Environmental History website.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR</attributeName>
          <attributeLabel>Creator</attributeLabel>
          <attributeDefinition>Primary author.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Primary author.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR_OTHER</attributeName>
          <attributeLabel>Other creator</attributeLabel>
          <attributeDefinition>Other authors (in order).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Other authors (in order).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PLACE</attributeName>
          <attributeLabel>Place</attributeLabel>
          <attributeDefinition>Primary focus of map (e.g., Taylor Valley).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Primary focus of map (e.g., Taylor Valley).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LAT</attributeName>
          <attributeLabel>Latitude</attributeLabel>
          <attributeDefinition>Latitude (Y coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LON</attributeName>
          <attributeLabel>Longitude</attributeLabel>
          <attributeDefinition>Longitude (X coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ASSOCIATED_PLACES</attributeName>
          <attributeLabel>Associated places</attributeLabel>
          <attributeDefinition>Other places on map.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Other places on map.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PEOPLE</attributeName>
          <attributeLabel>People</attributeLabel>
          <attributeDefinition>N/A</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>N/A</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ACADEMIC_FIELD</attributeName>
          <attributeLabel>Academic field</attributeLabel>
          <attributeDefinition>Most relevant academic field(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Most relevant academic field(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_OTHER</attributeName>
          <attributeLabel>Other</attributeLabel>
          <attributeDefinition>Miscellaneous tags/keywords (e.g. IGY).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Miscellaneous tags/keywords (e.g. IGY).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation and season(s) mentioned in map (if reasonable).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation and season(s) mentioned in map (if reasonable).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation/publication.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation/publication.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON_YYYY</attributeName>
          <attributeLabel>Year</attributeLabel>
          <attributeDefinition>Year of creation/publication.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_EXACT</attributeName>
          <attributeLabel>Date</attributeLabel>
          <attributeDefinition>Date of creation/publication.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>DD/MM/YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_DIGITAL</attributeName>
          <attributeLabel>Digitized date</attributeLabel>
          <attributeDefinition>Date digitized.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Date digitized.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DESCRIPTION</attributeName>
          <attributeLabel>Notes</attributeLabel>
          <attributeDefinition>Additional notes.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Additional notes.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>FORMAT</attributeName>
          <attributeLabel>File format</attributeLabel>
          <attributeDefinition>File format (PDF or PNG).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>File format (PDF or PNG).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DIGITIZATION_SPECIFICATIONS</attributeName>
          <attributeLabel>Digitization specifications</attributeLabel>
          <attributeDefinition>DPI</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>DPI</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTRIBUTOR</attributeName>
          <attributeLabel>Contributor</attributeLabel>
          <attributeDefinition>Digitizer.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Digitizer.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TYPE</attributeName>
          <attributeLabel>Type</attributeLabel>
          <attributeDefinition>Environmental history resource type (i.e., Map).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Environmental history resource type (i.e., Map).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COUNTRY</attributeName>
          <attributeLabel>Country</attributeLabel>
          <attributeDefinition>Countries related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Countries related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>LANGUAGE</attributeName>
          <attributeLabel>Language</attributeLabel>
          <attributeDefinition>Language(s) related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Language(s) related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RELATION</attributeName>
          <attributeLabel>Identification number</attributeLabel>
          <attributeDefinition>Identifier number(s) of related resource(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Identifier number(s) of related resource(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SOURCE</attributeName>
          <attributeLabel>Source</attributeLabel>
          <attributeDefinition>Archival reference (if appropriate).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Archival reference (if appropriate).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>PUBLISHER</attributeName>
          <attributeLabel>Publisher</attributeLabel>
          <attributeDefinition>Name of archive/publication/publisher.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name of archive/publication/publisher.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>BIBLIOGRAPHIC_CITATION</attributeName>
          <attributeLabel>Bibliographic citation</attributeLabel>
          <attributeDefinition>Full bibliographic citation (Chicago style).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Full bibliographic citation (Chicago style).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RIGHTS</attributeName>
          <attributeLabel>Rights</attributeLabel>
          <attributeDefinition>Copyright (copyright holder). Also note any special requirements.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Copyright (copyright holder). Also note any special requirements.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
      </attributeList>
    </dataTable>
    <dataTable>
      <entityName>EH_PHOTOGRAPHS</entityName>
      <entityDescription>EH - Photographs</entityDescription>
      <physical>
        <objectName>EH_PHOTOGRAPHS.csv</objectName>
        <size>2156038</size>
        <dataFormat>
          <textFormat>
            <numHeaderLines>1</numHeaderLines>
            <attributeOrientation>column</attributeOrientation>
            <simpleDelimited>
              <fieldDelimiter>,</fieldDelimiter>
              <quoteCharacter>"</quoteCharacter>
            </simpleDelimited>
          </textFormat>
        </dataFormat>
        <distribution>
          <online>
            <url>https://mcm.lternet.edu/sites/default/files/data/EH_PHOTOGRAPHS_0.csv</url>
          </online>
        </distribution>
      </physical>
      <coverage>
        <temporalCoverage>
          <rangeOfDates>
            <beginDate>
              <calendarDate>1902-01-01</calendarDate>
            </beginDate>
            <endDate>
              <calendarDate>2015-12-31</calendarDate>
            </endDate>
          </rangeOfDates>
        </temporalCoverage>
      </coverage>
      <attributeList>
        <attribute>
          <attributeName>DATASET_CODE</attributeName>
          <attributeLabel>Dataset code</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>IDENTIFIER</attributeName>
          <attributeLabel>Identifier</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TITLE</attributeName>
          <attributeLabel>Title</attributeLabel>
          <attributeDefinition>Name given to resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name given to resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT</attributeName>
          <attributeLabel>Content</attributeLabel>
          <attributeDefinition>N/A.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>N/A.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT_URL</attributeName>
          <attributeLabel>Content URL</attributeLabel>
          <attributeDefinition>Link to content on MCM Environmental History website.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Link to content on MCM Environmental History website.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR</attributeName>
          <attributeLabel>Creator</attributeLabel>
          <attributeDefinition>Photographer.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Photographer.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR_OTHER</attributeName>
          <attributeLabel>Other creator</attributeLabel>
          <attributeDefinition>N/A.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>N/A.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PLACE</attributeName>
          <attributeLabel>Place</attributeLabel>
          <attributeDefinition>Primary place in image (prioritize human structures).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Primary place in image (prioritize human structures).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LAT</attributeName>
          <attributeLabel>Latitude</attributeLabel>
          <attributeDefinition>Latitude (Y coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LON</attributeName>
          <attributeLabel>Longitude</attributeLabel>
          <attributeDefinition>Longitude (X coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ASSOCIATED_PLACES</attributeName>
          <attributeLabel>Associated places</attributeLabel>
          <attributeDefinition>Other places in image.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Other places in image.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PEOPLE</attributeName>
          <attributeLabel>People</attributeLabel>
          <attributeDefinition>People in photograph (left to right).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>People in photograph (left to right).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ACADEMIC_FIELD</attributeName>
          <attributeLabel>Academic field</attributeLabel>
          <attributeDefinition>Most relevant academic field(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Most relevant academic field(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_OTHER</attributeName>
          <attributeLabel>Other</attributeLabel>
          <attributeDefinition>Miscellaneous tags/keywords (e.g. IGY).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Miscellaneous tags/keywords (e.g. IGY).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON_YYYY</attributeName>
          <attributeLabel>Year</attributeLabel>
          <attributeDefinition>Year of creation.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_EXACT</attributeName>
          <attributeLabel>Date</attributeLabel>
          <attributeDefinition>Date of creation.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>DD/MM/YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_DIGITAL</attributeName>
          <attributeLabel>Digitized date</attributeLabel>
          <attributeDefinition>Date digitized.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Date digitized.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DESCRIPTION</attributeName>
          <attributeLabel>Notes</attributeLabel>
          <attributeDefinition>Additional notes.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Additional notes.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>FORMAT</attributeName>
          <attributeLabel>File format</attributeLabel>
          <attributeDefinition>File format (PNG or JPG).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>File format (PNG or JPG).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DIGITIZATION_SPECIFICATIONS</attributeName>
          <attributeLabel>Digitization specifications</attributeLabel>
          <attributeDefinition>DPI.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>DPI.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTRIBUTOR</attributeName>
          <attributeLabel>Contributor</attributeLabel>
          <attributeDefinition>Digitizer.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Digitizer.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TYPE</attributeName>
          <attributeLabel>Type</attributeLabel>
          <attributeDefinition>Environmental history resource type (i.e., Photograph).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Environmental history resource type (i.e., Photograph).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COUNTRY</attributeName>
          <attributeLabel>Country</attributeLabel>
          <attributeDefinition>Countries related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Countries related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>LANGUAGE</attributeName>
          <attributeLabel>Language</attributeLabel>
          <attributeDefinition>Language(s) related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Language(s) related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RELATION</attributeName>
          <attributeLabel>Identification number</attributeLabel>
          <attributeDefinition>Identifier number(s) of related resource(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Identifier number(s) of related resource(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SOURCE</attributeName>
          <attributeLabel>Source</attributeLabel>
          <attributeDefinition>Archival reference (if appropriate).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Archival reference (if appropriate).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>PUBLISHER</attributeName>
          <attributeLabel>Publisher</attributeLabel>
          <attributeDefinition>Name of archive/publication/publisher (if appropriate).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name of archive/publication/publisher (if appropriate).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>BIBLIOGRAPHIC_CITATION</attributeName>
          <attributeLabel>Bibliographic citation</attributeLabel>
          <attributeDefinition>Full bibliographic citation (Chicago style).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Full bibliographic citation (Chicago style).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RIGHTS</attributeName>
          <attributeLabel>Rights</attributeLabel>
          <attributeDefinition>Copyright (copyright holder). Also note any special requirements.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Copyright (copyright holder). Also note any special requirements.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
      </attributeList>
    </dataTable>
    <dataTable>
      <entityName>EH_SKETCHES</entityName>
      <entityDescription>EH - Sketches</entityDescription>
      <physical>
        <objectName>EH_SKETCHES.csv</objectName>
        <size>17994</size>
        <dataFormat>
          <textFormat>
            <numHeaderLines>1</numHeaderLines>
            <attributeOrientation>column</attributeOrientation>
            <simpleDelimited>
              <fieldDelimiter>,</fieldDelimiter>
              <quoteCharacter>"</quoteCharacter>
            </simpleDelimited>
          </textFormat>
        </dataFormat>
        <distribution>
          <online>
            <url>https://mcm.lternet.edu/sites/default/files/data/EH_SKETCHES_0.csv</url>
          </online>
        </distribution>
      </physical>
      <attributeList>
        <attribute>
          <attributeName>DATASET_CODE</attributeName>
          <attributeLabel>Dataset code</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>IDENTIFIER</attributeName>
          <attributeLabel>Identifier</attributeLabel>
          <attributeDefinition>Internal code.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Internal code.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TITLE</attributeName>
          <attributeLabel>Title</attributeLabel>
          <attributeDefinition>Name given to resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name given to resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT</attributeName>
          <attributeLabel>Content</attributeLabel>
          <attributeDefinition>N/A.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>N/A.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTENT_URL</attributeName>
          <attributeLabel>Content URL</attributeLabel>
          <attributeDefinition>Link to content on MCM Environmental History website.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Link to content on MCM Environmental History website.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR</attributeName>
          <attributeLabel>Creator</attributeLabel>
          <attributeDefinition>Primary author.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Primary author.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CREATOR_OTHER</attributeName>
          <attributeLabel>Other creator</attributeLabel>
          <attributeDefinition>Other authors (in order).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Other authors (in order).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PLACE</attributeName>
          <attributeLabel>Place</attributeLabel>
          <attributeDefinition>Primary place in image (prioritize human structures).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Primary place in image (prioritize human structures).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LAT</attributeName>
          <attributeLabel>Latitude</attributeLabel>
          <attributeDefinition>Latitude (Y coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>COVERAGE_LON</attributeName>
          <attributeLabel>Longitude</attributeLabel>
          <attributeDefinition>Longitude (X coordinate).</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>decimalDegrees</customUnit>
              </unit>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>BLANK</code>
            <codeExplanation>Missing</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ASSOCIATED_PLACES</attributeName>
          <attributeLabel>Associated places</attributeLabel>
          <attributeDefinition>Other places in image.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Other places in image.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_PEOPLE</attributeName>
          <attributeLabel>People</attributeLabel>
          <attributeDefinition>People in sketch (left to right).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>People in sketch (left to right).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_ACADEMIC_FIELD</attributeName>
          <attributeLabel>Academic field</attributeLabel>
          <attributeDefinition>Most relevant academic field(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Most relevant academic field(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_OTHER</attributeName>
          <attributeLabel>Other</attributeLabel>
          <attributeDefinition>Miscellaneous tags/keywords (e.g. IGY).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Miscellaneous tags/keywords (e.g. IGY).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SUBJECT_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON</attributeName>
          <attributeLabel>Season</attributeLabel>
          <attributeDefinition>Season of creation.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Season of creation.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_SEASON_YYYY</attributeName>
          <attributeLabel>Year</attributeLabel>
          <attributeDefinition>Year of creation.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_EXACT</attributeName>
          <attributeLabel>Date</attributeLabel>
          <attributeDefinition>Date of creation.</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>DD/MM/YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DATE_DIGITAL</attributeName>
          <attributeLabel>Digitized date</attributeLabel>
          <attributeDefinition>Date digitized.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Date digitized.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DESCRIPTION</attributeName>
          <attributeLabel>Notes</attributeLabel>
          <attributeDefinition>Additional notes.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Additional notes.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>FORMAT</attributeName>
          <attributeLabel>File format</attributeLabel>
          <attributeDefinition>File format (PNG).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>File format (PNG).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>DIGITIZATION_SPECIFICATIONS</attributeName>
          <attributeLabel>Digitization specifications</attributeLabel>
          <attributeDefinition>DPI.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>DPI.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>CONTRIBUTOR</attributeName>
          <attributeLabel>Contributor</attributeLabel>
          <attributeDefinition>Digitizer.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Digitizer.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TYPE</attributeName>
          <attributeLabel>Type</attributeLabel>
          <attributeDefinition>Environmental history resource type (i.e., Sketch).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Environmental history resource type (i.e., Sketch).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>COUNTRY</attributeName>
          <attributeLabel>Country</attributeLabel>
          <attributeDefinition>Countries related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Countries related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>LANGUAGE</attributeName>
          <attributeLabel>Language</attributeLabel>
          <attributeDefinition>Language(s) related to the resource.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Language(s) related to the resource.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RELATION</attributeName>
          <attributeLabel>Identification number</attributeLabel>
          <attributeDefinition>Identifier number(s) of related resource(s).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Identifier number(s) of related resource(s).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SOURCE</attributeName>
          <attributeLabel>Source</attributeLabel>
          <attributeDefinition>Archival reference (if appropriate).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Archival reference (if appropriate).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>PUBLISHER</attributeName>
          <attributeLabel>Publisher</attributeLabel>
          <attributeDefinition>Name of archive/publication/publisher (if appropriate).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name of archive/publication/publisher (if appropriate).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>BIBLIOGRAPHIC_CITATION</attributeName>
          <attributeLabel>Bibliographic citation</attributeLabel>
          <attributeDefinition>Full bibliographic citation (Chicago style).</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Full bibliographic citation (Chicago style).</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>RIGHTS</attributeName>
          <attributeLabel>Rights</attributeLabel>
          <attributeDefinition>Copyright (copyright holder). Also note any special requirements.</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Copyright (copyright holder). Also note any special requirements.</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
      </attributeList>
    </dataTable>
  </dataset>
  <additionalMetadata>
    <metadata>
      <stmml:unitList xmlns:stmml="http://www.xml-cml.org/schema/stmml-1.1" xmlns="http://www.xml-cml.org/schema/stmml" xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xml-cml.org/schema/stmml-1.1 http://nis.lternet.edu/schemas/EML/eml-2.1.0/stmml.xsd">
        <stmml:unit id="decimalDegrees">
          <stmml:description />
        </stmml:unit>
      </stmml:unitList>
    </metadata>
  </additionalMetadata>
</eml:eml>