Alatna Valley BSNE Sampler Big Spring Number Eight (BSNE) isokinetic wind aspirated sampler located 36 km from the coast in Alatna Valley. Location details provided by Melisa Diaz in March 2019. Coordinates: Latitude: -76.900080000000 Longitude: 161.111020000000 Read more about Alatna Valley BSNE Sampler