Bedrock geology of the Vipond Park 15-minute, Stine Mountain 7-1/2-minute, and Maurice Mountain 7-1/2-minute quadrangles, Pioneer Mountains, Beaverhead County, Montana / by E-an Zen.
Publication Info.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1988.
[Washington, D.C.] : United States Government Printing Office