Mineral resources of the Black Ridge Canyons Wilderness Study Area, Mesa County, Colorado, and Grand County, Utah, and Westwater Canyon Wilderness Study Area, Grand County, Utah / by Robert P. Dickerson [and three others].
Publication Info.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1988.
[Washington, D.C.] : United States Government Printing Office