Technical Report Archive & Image Library (TRAIL) - 16 Matching Results
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- Coal-Mine Explosions in Ohio: 1874-1936
- 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.
- Coal-Mine Explosions in West Virginia: 1883-1933
- 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.
- Design and Operation of a Four-Ton-Per-Hour Gold and Silver Ore-Sampling Plant
- 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.
- Manganese: Its Occurrence, Milling, and Metallurgy; Part 1
- 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.
- Method and Cost of Dredging Sand and Gravel by the Ohio River Sand Co., Louisville, Kentucky
- 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.
- Methods and Costs of Mining and Preparing Sand and Gravel at the Plant of the Ward Sand and Gravel Co., Oxford, Michigan
- 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.
- Methods and Costs of Stripping and Mining at the United Verde Open-Pit Mine, Jerome, Arizona
- 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.
- Mineral Industries Survey of the United States: California, Kern County, Mojave District: The Golden Queen and other Mines of the Mojave District, California
- 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.
- 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
- 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.
- Open Schedules for Gold and Silver Ores and Concentrates at Western Custom Smelters
- 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.
- Procedure of the Purchasing and Supply Departments of the Miami Copper Company, Miami, Arizona
- Report issued by the U.S. Bureau of Mines discussing the purchasing procedures documented by the Miami Copper Company in Arizona. Supplies, invoices, discounts, and accounting procedures are described in detail. This report includes tables, and illustrations.
- Quartz and Silica: Part 1. - General Summary
- Report issued by the U.S. Bureau of Mines discussing quartz and silica minerals. As stated in the foreword, "the purpose of the present paper is to assemble brief summaries of the many widely differing industries engaged in the production and preparation of these minerals in their principal commercial forms" (p. 1). This report includes tables, and illustrations.
- Safety Cars of the United States Bureau of Mines
- Report issued by the U.S. Bureau of Mines discussing the mine stations and safety cars used to reach miners in distress. As stated in the report, "the purpose, equipment, personnel, and construction of its safety cars" is presented. This report includes an illustration, and a map.
- Sand and Gravel Excavation: Part 3: Hydraulic Dredge, Clamshell Dredge, Ladder Dredge, and Dipper Dredge
- Report issued by the U.S. Bureau of Mines discussing different methods of sand and gravel excavation. These methods include hydraulic, clam-shell, ladder, and dipper dredging. This report includes tables, and illustrations.
- Smelting Ores in the Electric Furnace
- Report issued by the U.S. Bureau of Mines discussing the electric smelting of nonferrous ores. As stated in the introduction, "it is the purpose of the present paper to survey the technical and economic changes that have taken place and to determine whether electric smelting of nonferrous ores offers any more promise today than 20 years ago" (p. 1). This report includes tables, and illustrations.
- Some Causes of Blow-Outs During Drilling and Means of Prevention: with Special Reference to the Gulf Coast Region
- Report issued by the U.S. Bureau of Mines discussing the causes of blow-outs and crater formation during the drilling of high-pressure wells. Causes and prevention of well blow-outs are presented. This report includes tables.