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  Partner: UNT Libraries Government Documents Department
 Decade: 1930-1939
 Serial/Series Title: Information circular (United States. Bureau of Mines)
 Serial/Series Title: United States Bureau of Mines Reports
 Collection: Technical Report Archive and Image Library
Coal-Mine Explosions in Ohio: 1874-1936

Coal-Mine Explosions in Ohio: 1874-1936

Date: October 1937
Creator: Owings, C. W.
Description: Report issued by the U.S. Bureau of Mines discussing coal mine explosions in Ohio between 1874 and 1936. The number of explosions and fatalities are presented. The causes of mine explosions are discussed as well. This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
Coal-Mine Explosions in West Virginia: 1883-1933

Coal-Mine Explosions in West Virginia: 1883-1933

Date: September 1934
Creator: Forbes, J. J. & Owings, C. W.
Description: Report issued by the U.S. Bureau of Mines discussing explosions in coal mines that occurred in West Virginia between 1883 and 1933. The number of fatalities, and safety prevention methods are presented. This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
Design and Operation of a Four-Ton-Per-Hour Gold and Silver Ore-Sampling Plant

Design and Operation of a Four-Ton-Per-Hour Gold and Silver Ore-Sampling Plant

Date: June 1936
Creator: Gardner, E. D. & Leddell, W. A.
Description: Report issued by the U.S. Bureau of Mines discussing the operations of silver and gold ore-sampling plants. The facility designs and operation methods are presented. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Manganese: Its Occurrence, Milling, and Metallurgy; Part 1

Manganese: Its Occurrence, Milling, and Metallurgy; Part 1

Date: May 1934
Creator: Dean, Reginald S.; DeVaney, Fred D. & Coghill, Will H.
Description: Report issued by the U.S. Bureau of Mines discussing the "occurrence, milling, and metallurgy of manganese in the United States" (p. 1). Different properties and compounds of manganese are also discussed. This report includes a map, tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Method and Cost of Dredging Sand and Gravel by the Ohio River Sand Co., Louisville, Kentucky

Method and Cost of Dredging Sand and Gravel by the Ohio River Sand Co., Louisville, Kentucky

Date: January 1931
Creator: Duffy, J. Hamilton
Description: Report issued by the U.S. Bureau of Mines discussing dredging methods of used by the Ohio River Sand Company. The different methods and costs used to recover gravel and sand are described. This report includes tables and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Methods and Costs of Mining and Preparing Sand and Gravel at the Plant of the Ward Sand and Gravel Co., Oxford, Michigan

Methods and Costs of Mining and Preparing Sand and Gravel at the Plant of the Ward Sand and Gravel Co., Oxford, Michigan

Date: January 1932
Creator: Ward, Frederick L.
Description: Report issued by the U.S. Bureau of Mines discussing the operation and production of the Ward Sand and Gravel Company in Oxford, Michigan. The methods and costs employed by the company are presented. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Methods and Costs of Stripping and Mining at the United Verde Open-Pit Mine, Jerome, Arizona

Methods and Costs of Stripping and Mining at the United Verde Open-Pit Mine, Jerome, Arizona

Date: February 1930
Creator: Alenius, E. M. J.
Description: Report issued by the U.S. Bureau of Mines discussing the mining practices and expenses of the United Verde open-pit mine west of Jerome, Arizona. As stated in the introduction, "the purpose of this paper is to present the methods used in developing and operating the mine, and to discuss the problems encountered" (p. 1). This report includes tables, maps, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Mineral Industries Survey of the United States: California, Kern County, Mojave District: The Golden Queen and other Mines of the Mojave District, California

Mineral Industries Survey of the United States: California, Kern County, Mojave District: The Golden Queen and other Mines of the Mojave District, California

Date: January 1937
Creator: Julihn, C. E. & Horton, F. W.
Description: Report issued by the U.S. Bureau of Mines discussing the mineral production of mines in Kern County, California. Mining and milling methods of these mines are presented. This report includes tables, maps, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Mineral Industries Survey of the United States: Idaho, Shoshone County, Coeur d'Alene District: the Silver Belt and the Sunshine Mine of the Coeur dÁlene District

Mineral Industries Survey of the United States: Idaho, Shoshone County, Coeur d'Alene District: the Silver Belt and the Sunshine Mine of the Coeur dÁlene District

Date: February 1936
Creator: Julihn, C. E. & Horton, F. W.
Description: Report issued by the U.S. Bureau of Mines discussing the mineral production of mines in Shoshone County, Idaho. Mining and milling methods of these mines are presented. This report includes tables, maps, illustrations, and a photograph.
Contributing Partner: UNT Libraries Government Documents Department
Open Schedules for Gold and Silver Ores and Concentrates at Western Custom Smelters

Open Schedules for Gold and Silver Ores and Concentrates at Western Custom Smelters

Date: December 1936
Creator: Gardner, E. D. & Allsman, Paul T.
Description: Report issued by the U.S. Bureau of Mines discussing the smelting schedules for the operators of silver and gold mines. As stated in the introduction, "the paper discusses smelting schedules, general smelting practices that have a bearing on rates, and the reasons for penalties or credits for certain constituents of ores" (p. 1). This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
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