Exploration of Lead-Zinc Deposits in the Ross Basin-Lake Como Area, San Juan County, Colorado (open access)

Exploration of Lead-Zinc Deposits in the Ross Basin-Lake Como Area, San Juan County, Colorado

Report issued by the Bureau of Mines over exploration of lead-zinc deposits in Colorado. The geology, location, and physical features of the deposits are discussed. This report includes tables, maps, photographs, and illustrations.
Date: 1959
Creator: Hild, John H. & Rose, C. K.
System: The UNT Digital Library
Reconnaissance of Iron Occurrences in Colorado (open access)

Reconnaissance of Iron Occurrences in Colorado

Report issued by the U.S. Bureau of Mines discussing iron deposits found in Colorado. As stated in the summary, "this paper describes the location and general features of iron occurrences in Colorado" (p. 1). History, geology, production, and use of Colorado iron ore is presented. This report includes tables, illustrations, and a map.
Date: 1959
Creator: Harrer, C. M. & Tesch, W. J., Jr.
System: The UNT Digital Library
Uranium-Mining Practices and Costs at Ten Salt Wash Lease Operations of Union Carbide Nuclear Co. (open access)

Uranium-Mining Practices and Costs at Ten Salt Wash Lease Operations of Union Carbide Nuclear Co.

Report issued by the U.S. Bureau of Mines discussing the mining costs and methods of uranium ores in Colorado. As stated in the introduction, "this report describes the relatively small-scale operations of the Salt Wash miner: the mining methods followed, the equipment used, and the production costs" (p. 1). This report includes tables, maps, illustrations, and photographs.
Date: 1959
Creator: Dare, W. L.
System: The UNT Digital Library