http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geochemistry of water in the Fort Union formation of the northern Powder River basin, southeastern Montana
iv, 17 pages, 2 folded leaves of plates : illustrations, maps ; 24 cm.
by Roger W. Lee ; prepared in cooperation with the Montana Bureau of Mines and Geology and U.S. Bureau of Land Management.
Geological Survey water-supply paper ; 2076