Mineral resource potential and geology of the White River National Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado / by Margo I. Toth ... [et al.] ; with a section on Salable commodities by John S. Dersch.
Imprint
Washington : U.S. G.P.O. ; Denver, CO : For sale by USGS Map Distribution, 1993.