UNT Libraries Government Documents Department - 43 Matching Results

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Accepted Limit Values of Air Pollutants

Description: Report issued by the U.S. Bureau of Mines discussing, as stated in the introduction, the "accepted maximum permissible concentrations of air pollutants from the standpoints of health, damage to vegetation, damage to property, and requirements of industrial processes" (p. 1). This report includes tables.
Date: May 1954
Creator: Barkley, J. F.

Annual Report of Research and Technologic Work on Coal: Fiscal Year 1942

Description: Report issued by the U.S. Bureau of Mines discussing studies over the research and technology of coal during 1942. As stated in the introduction, "the annual reports of the research and technologic investigations conducted by the Bureau of Mines on the occurrence, properties, mining, preparation, and uses of coal, of which the present report is the seventh, are intended to be brief summaries of progress" (p. 4). This report includes tables, illustrations, and photographs.
Date: May 1943
Creator: Fieldner, Arno Carl & Rice, W. E.

The Development of an Electrolytic Method for the Determination of Inclusions in Plain-Carbon Steels

Description: Report issued by the U.S. Bureau of Mines on the specifications and development of methods used in plain-carbon steel production. Proposed methods and experiment results are presented. This report includes tables, graphs, and photographs.
Date: May 1933
Creator: Fitterer, G. R.; Sockman, B. E.; Krockenberger, E. A.; Meneilly, R. B.; Marshall, E. W., Jr. & Eckel, J. F.

The Electrothermic Metallurgy of Zinc

Description: Report issued by the Bureau of Mines over the electrothermic metallurgy and smelting of zinc. Different smelting methods, processes, and equipment are presented and discussed. This report includes tables, illustrations, and photographs.
Date: May 1923
Creator: O'Harra, B. Marvel

Estimate of Known Recoverable Reserves and Preparation and Carbonizing Properties of Coking Coal in Claiborne County, Tennessee

Description: Report issued by the Bureau of Mines over investigations of coking coal reserves of Claiborne County, Tennessee. Testing to determine suitability for producing metallurgical coke is also presented. This report includes tables, maps, and illustrations.
Date: May 1956
Creator: Hershey, Robert E.; Williams, Lloyd; Crentz, William L.; Miller, J. W. & Reynolds, D. A.

Estimate of Known Recoverable Reserves and the Preparation and Carbonizing Properties of Coking Coal in Overton County, Tennessee

Description: Report issued by the Bureau of Mines over investigations of coking coal reserves of Overton County, Tennessee. Testing to determine suitability for producing metallurgical coke is also presented. Methods used, and measurements of coal reserves are listed. This report includes tables, maps, and illustrations.
Date: May 1955
Creator: Williams, Lloyd; Abernethy, R. F.; Gandrud, B. W.; Reynolds, D. A. & Wolfson, D. E.

Estimate of Known Recoverable Reserves of Coking Coal in Allegany County, Maryland

Description: Report issued by the U.S. Bureau of Mines investigating the estimated reserves of coking coal in Allegany County, Maryland. The investigation also studied properties of coals and coal blends not widely used for metallurgical coke making. This report includes maps and tables.
Date: May 1953
Creator: Wallace, Joseph J.; Dowd, James J.; Williams, Lloyd; Abernethy, R. F. & Reynolds, D. A.

Estimate of Known Recoverable Reserves of Coking Coal in Allegany County, Maryland

Description: Report issued by the U.S. Bureau of Mines investigating the estimated reserves of coking coal in Allegany County, Maryland. The investigation also studied properties of coals and coal blends not widely used for metallurgical coke making. This report includes maps and tables.
Date: May 1953
Creator: Wallace, Joseph J.; Dowd, James J.; Williams, Lloyd; Abernethy, R. F. & Reynolds, D. A.

Gold Dredging in the United States

Description: Report discussing the development of gold dredging in the United States, the essential features of present-day dredges, the facts that determine whether a placer deposit can be profitably dredged, and the approved methods of prospecting placer ground and of operating dredges. Intended for designers and builders of dredges, mining engineers, and persons who may contemplate investing capital in placer-mining ventures.
Date: May 1918
Creator: Janin, Charles

Laboratory and Full-Scale Sulfur Elimination Tests on Coal from Pratt Bed, Alabama

Description: Report issued by the Bureau of Mines over studies conducted on the Pratt coal bed in Alabama. The report details "washability studies of coal from beds in Alabama and other southern states in which commercially important deposits occur" (p. 1). This report includes tables, graphs, and illustrations.
Date: May 1958
Creator: Perry, R. E.; Gandrud, B. W.; Riley, H. L.; Gayle, J. B. & Eddy, W. H.