Regional geochemical results from the analyses of rock, water, soil, stream sediment, and vegetation samples [electronic resource] : Fortymile River Watershed, east-central, Alaska, 1998 sampling / by J.G. Crock ... [et al.].
Imprint
Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey : Books and Open-File Reports [distributor], 2000.