http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mineral resource potential and geology of the Black Hills National Forest, South Dakota and Wyoming
vii, 135 pages : illustrations, maps (some color) ; 28 cm.
by Ed DeWitt ... [and others] ; with a section on Salable commodities by John S. Dersch.
Black Hills National Forest (S.D. and Wyo.)