http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mineral resources of the Dolores River Canyon Wilderness Study Area, Montrose and San Miguel counties, Colorado
1 online resource (vi, 16 pages, 1 page of plates) : illustrations, maps (some color).
Title from title screen (viewed Aug. 18, 2014).
U.S. Geological Survey bulletin ; 1715-C
Mineral resources of wilderness study areas--southwestern Colorado ; ch. C
Studies related to wilderness--Bureau of Land Management wilderness study areas