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Reconnaissance of Iron Occurrences in Colorado

Description: 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.
Item Type: Refine your search to only Report
open access

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

Description: 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.
Item Type: Refine your search to only Report
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