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Specific Gravity Separation Applied to the Analysis of Mining Explosives

Description: Report on investigations by the United States Bureau of Mines to determine what explosives can be used with least danger and greatest efficiency in mining operations. A summary of the history of the use of liquids in gravity separations is presented, followed by method of procedure, apparatus used, and a discussion of experiments with pure salts, mixtures of salts, and experiments with two explosives.
Date: June 1914
Creator: Storm, C. G. 1877- & Hyde, Archie Lemont
Partner: UNT Libraries Government Documents Department
open access

Revision of the American Harvest Mice: (Genus Reithrodontomys)

Description: Discusses history, specimens, habits, economic status, food, and pelages of American harvest mice. Lists locations and provides a key to species and subspecies, and provides species descriptions.
Date: June 5, 1914
Creator: Howell, Arthur H.
Partner: UNT Libraries Government Documents Department
open access

A Systematic Account of the Prairie Dogs

Description: Discusses distribution, habits, economic status, predators, nomenclature, specimens, and pelages of prairie dogs. Describes, lists locations, and provides a key for species and subspecies.
Date: June 20, 1916
Creator: Hollister, N.
Partner: UNT Libraries Government Documents Department
open access

The Diesel Engine: Its Fuels and Its Uses

Description: Report discussing recent developments in the design and construction of the Diesel engine, the fuels suitable for burning in it, and the uses to which it is particularly adapted.
Date: June 1918
Creator: Haas, Herbert
Partner: UNT Libraries Government Documents Department
open access

Rock Quarrying for Cement Manufacture

Description: Report issued by the Bureau of Mines over rock quarries in the United States. As stated in the introduction, "the bulk of the report deals with quarrying methods and equipment, and gives special attention to drilling and blasting; a chapter on rock mining and one on prospecting are included" (p. 1). This report includes tables, illustrations, and photographs.
Date: June 1918
Creator: Bowles, Oliver
Partner: UNT Libraries Government Documents Department
open access

War Minerals Nitrogen Fixation and Sodium Cyanide

Description: Report discussing the results of the Bureau of Mines' investigations into questions of priority, transportation, fuel, equipment, construction of highways and roads, labor supply, best practices for mining, and the development of new materials in the production of war minerals. Produced for the War Industries Board, the U.S. Shipping Board, and other government establishments.
Date: June 1918
Creator: Manning, Van. H.
Partner: UNT Libraries Government Documents Department
open access

Revision of the American Flying Squirrels

Description: Habits, voice, nests, breeding, food, economic status, pelage and molt, and descriptions of species and subspecies of the American flying squirrels.
Date: June 13, 1918
Creator: Howell, Arthur H.
Partner: UNT Libraries Government Documents Department
open access

Petroleum Investigations and Production of Helium

Description: Report issued by the Bureau of Mines over studies conducted on petroleum and helium production. The results of the studies are presented and discussed.
Date: June 1919
Creator: Manning, Van. H.
Partner: UNT Libraries Government Documents Department
open access

Petroleum Investigations and Production of Helium

Description: Report discussing petroleum investigations and the production of helium by the Bureau of Mines during World War I.
Date: June 1919
Creator: Manning, Van. H.
Partner: UNT Libraries Government Documents Department
open access

The Ultra-Violet and Visible Transmission of Eye-Protective Glasses

Description: Technical paper issued by the Bureau of Standards over studies conducted on the development of protective eye wear. The methods and equipment used are presented and discussed. This paper includes tables, and illustrations.
Date: June 7, 1919
Creator: Gibson, K. S. & McNicholas, H. J.
Partner: UNT Libraries Government Documents Department
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