Distribution and abundance of gold and other selected elements in altered bedrock, Empire Mining District, Clear Creek County, Colorado : a study of the geological and geochemical relationships of gold anomalies to those of tellurium, tin, bismuth, silver, and manganese / by Maurice A. Chaffee.
Publication Info.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1972.
Washington : United States Government Printing Office