http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ground-water-quality data from the northern Powder River Basin, southeastern Montana
iv, 55 pages : illustrations, map ; 26 cm.
by Roger W. Lee ; prepared in cooperation with the Montana Bureau of Mines and Geology, and U.S. Bureau of Land Management.
Water resources investigations (Unnumbered)
U.S. Geological Survey open-file report ; 79-1331