Search Results

open access

Reserves, Petrographic and Chemical Characteristics, and Carbonizing, Properties of Coal Occurring South of Dry Fork of Minnesota Creek, Gunnison County, Near Paonia, Colorado, and the Geology of the Area

Description: Report issued by the Bureau of Mines discussing the geology, chemical, and carbonizing properties of Gunnison County coal reserves in Colorado. Results and analyses of the investigations conducted on the coal reserves are presented in detail. This report includes tables, maps, illustrations, and photographs.
Date: 1949
Creator: Toenges, Albert L.; Dowd, James J.; Turnbull, Louis A.; Davis, J. D.; Smith, H. L. & Johnson, Vard H.
open access

Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941

Description: Report issued by the U.S. Bureau of Mines discussing the annual report over the research and technology of coal during 1941. As stated in the foreword, "these investigations increase our fund of exact knowledge on the properties and composition of American coals and lead to better methods in mining, preparing, storing, and utilizing coal" (p. 4). This report includes tables, illustrations, photographs, and a map.
Date: November 1941
Creator: Fieldner, Arno Carl & Schmidt, L. D.
open access

Briquetting Subbituminous Coal

Description: Report issued by the Bureau of Mines over briquetting of coal for development of more effective fuel. Materials, equipment, and processes are discussed. This report includes tables, illustrations, and photographs.
Date: June 1943
Creator: Parry, V. F. & Goodman, John B.
open access

Mining Program: Bureau of Mines Oil-Shale Project, Rifle, Colorado

Description: Report issued by the Bureau of Mines on the development of efficient mining methods for producing oil shale. Characteristics of the oil shale deposits of the Green River are presented. The results of core drilling and sampling in this area are also listed. This report includes tables, illustrations, maps, and photographs.
Date: April 1948
Creator: Gardner, E. D.
open access

Lead-Zinc-Silver in the Poughkeepsie District and Part of the Upper Uncompahgre and Mineral Point Districts, Ouray and San Juan Counties, Colorado

Description: 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.
Back to Top of Screen