An assessment of the mineral resource potential of the San Isabel National Forest, south-central Colorado / by Richard B. Taylor, Rebecca J. Stoneman and Sherman P. Marsh ; with a section on salable minerals by John S. Dersch.
Publication Info.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1984.
[Washington, D.C.] : United States Government Printing Office