Whitman Cross

Geology And Mining Industries Of The Cripple Creek District, Colorado

Geology and Mining Industry of Leadville, Colorado

Quantitative Classification of Igneous Rocks: Based on Chemical and Mineral Characters With a Systematic Nomenclature (Classic Reprint)

Geology and Ore Deposits Near Lake City, Colorado, Issues 476-479

Report on the Economic Geology of the Silverton Quadrangle, Colorado