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Lead-Zinc-Silver in the Poughkeepsie District and Part of the Upper Uncompahgre and Mineral Point Districts, Ouray and San Juan Counties, Colorado
Report issued by the Bureau of Mines over mining districts in Colorado. As noted in the introduction, "in this report the physical features, climate, and ore deposits of the districts are described, and a brief history of mining and production of lead, zinc, and silver is given" (p. 4). This report includes tables, illustrations, and maps.
Date:
September 1949
Creator:
Hazen, Scott W., Jr.
System:
The UNT Digital Library
Summary of an investigation of vanadium and uranium occurrence in Huerfano Park district, Raton Basin area, Huerfano and Costilla counties, Colorado
A report on the SOM-vanadium occurrences of the Huerfano Park District.
Date:
September 29, 1943
Creator:
Emerson, John F.
System:
The UNT Digital Library