http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geology and ground-water resources of the lower Bighorn Valley, Montana
1 online resource (v, 39 pages, 1 page of plates) : illustrations, maps.
Prepared as part of a program of the Department of the Interior for Development of the Missouri River Basin.
Geological Survey water-supply paper ; 1876