Technical Report Archive & Image Library (TRAIL) - 26 Matching Results
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- Analyses of Alaska Coals
- Report issued by the Bureau of Mines discussing the coal fields of Alaska. Analyses of the Alaskan coal fields are presented in detail. This report includes tables, and a map.
- Analyses of Arizona, California, Idaho, Nevada and Oregon Coals
- Technical paper issued by the Bureau of Mines over analyses of coals from many western states. The characteristics of the coals found in each state are discussed in detail. This paper includes tables, and maps.
- Analyses of Kentucky Coals
- Report issued by the Bureau of Mines discussing analyses of the Eastern and Western coal fields in Kentucky. The two coal fields are described in detail. This report includes tables, and illustrations.
- Analyses of Michigan, North Dakota, South Dakota and Texas Coals
- Report issued by the Bureau of Mines discussing the lignite and bituminous coal fields of Michigan, Texas, North Dakota, and South Dakota. Analyses of the varying regional coal fields are presented. This report includes tables, maps, and illustrations.
- Analyses of Pennsylvania Anthracitic Coals
- Report issued by the Bureau of Mines discussing the anthracite coal fields of Pennsylvania. History, geology, and mining methods of the anthracite fields are presented. This report includes tables, illustrations, and maps.
- Analyses of Washington Coals: Supplement to Technical Paper 491
- Report issued by the Bureau of Mines discussing the technological advances made in the mining industry between 1931 and 1941. Mechanized methods for mining operations are presented. This report includes tables, illustrations, and a map.
- Analyses of West Virginia Coals
- Technical paper issued by the Bureau of Mines over studies of West Virginia coal fields. Characteristics of coals and mines are discussed. This paper includes tables, maps, and illustrations.
- The Coal Industry of Brazil: Part 1. General Economy, Production, and Marketing
- Report issued by the Bureau of Mines discussing the Brazilian coal industry. Location details and their production levels are presented. This report includes tables, maps, and illustrations.
- Collecting and Examining Subsurface Samples of Petroleum
- Report issued by the Bureau of Mines discussing subsurface samples of petroleum. As stated in the scope of report, "the Bureau of Mines has developed special equipment and procedures for obtaining samples of petroleum under pressure from the bottom of wells and for examining these samples in the laboratory" (p. 4). This report includes tables, illustrations, and a photograph.
- Correlation Index to Aid in Interpreting Crude-Oil Analyses
- Report issued by the Bureau of Mines discussing the correlation index used for analyses of crude oils. The correlation index is presented and described in detail. This report includes tables, and illustrations.
- Design of Injectors for Low-Pressure Air Flow
- Report issued by the Bureau of Mines discussing the design of low-pressure injectors. As stated in the scope of paper, "this paper purposes to present and discuss methods of designing injectors for low-pressure air flow according to Professor Week's theory, with special reference to their use in mine and tunnel ventilation" (p. 1). This report includes tables, and illustrations.
- Differential Thermal Analysis: Its Application to Clays and Other Aluminous Minerals
- Report issued by the Bureau of Mines discussing thermal analysis of clays and aluminous minerals. As stated in the introduction, "the applications and limitations of this method to the study of various clays, bauxites, and aluminous minerals will be discussed in this paper" (p. 1). This report includes tables, illustrations, and photographs.
- Exploration, Composition, and Washing, Burning and Gas-Producer Tests of a Coal Occurring Near Coaldale, Esmeralda County, Nevada
- Technical paper issued by the Bureau of Mines over investigations of available coal in Esmeralda County, Nevada. Exploration of the coal deposits is discussed. This paper includes tables, maps, photographs, and illustrations.
- Exploration, Reserves, Bed Characteristics and Strip-Mining Possibilities of a Lignite Deposit Near Toledo, Lewis County, Washington
- Report issued by the Bureau of Mines discussing exploration of Lewis County lignite deposits in Washington. History, development, and drilling methods are presented. This report includes tables, maps, illustrations, and photographs.
- Explosion Hazards in Storage-Battery Rooms
- Report issued by the Bureau of Mines discussing the safety and explosion hazards present in storage-battery rooms. Descriptions of storage-battery rooms and methods of ventilation are presented. This report includes tables, illustrations, and photographs.
- Investigation of Coal Deposits in the Fairview and Coal City Basins of Coosa Field, St. Clair County, Alabama: Reserves, Petrography, and Chemical Properties of Coals; Washability Characteristics of Coal from Fairview Bew; and Geology of Area
- Report issued by the Bureau of Mines discussing the coal deposits in Saint Clair County, Alabama. Investigations of the estimated reserves and analyses of the coal fields in this area are presented. This report includes tables, maps, illustrations, and photographs.
- A Method of Resolving Oil-Field-Waste Emulsions
- Report issued by the Bureau of Mines discussing the recovery of waste emulsions in crude-oil storage tanks. As stated in the introduction, this study was undertaken to find a method of recovering a valuable oil from pit-waste emulsion" (p. 2). Detailed recovery methods are presented. This report includes tables, illustrations, and photographs.
- Minable Reserves, Petrography, Chemical Characteristics, and Washability Tests of Coal Occurring in the Coos Bay Coal Field, Coos County, Oregon
- Report issued by the Bureau of Mines discussing the coal reserves of Coos County, Oregon. Investigations conducted on the minable coal reserves are presented in detail. This report includes tables, maps, illustrations, and photographs.
- Mining Practices and Safety at the Lava Cap Gold Mining Corporation Mines, Nevada City-Grass Valley District, California
- Report issued by the Bureau of Mines discussing mining safety in the Grass Valley mining district. As stated in the introduction, "the purpose of this paper is not to present an outstanding safety record but to show that gold mining can be pursued with the same degree of safety and improvement as any other industry, if and when the management recognizes that it can and must be done" (p. 1). This report includes tables, maps, illustrations, and photographs.
- Phenomena in the Ignition of Firedamp by Explosives: Part 1.-- Particles from the Detonation
- Report issued by the Bureau of Mines discussing the ignition of firedamp by coal-mining explosives. Experiments conducted to study the ignition of these particles are described. This report includes tables, illustrations, and photographs.
- Preparation Characteristics of Illinois Coals
- Report issued by the Bureau of Mines discussing the mechanical coal-preparation characteristics. As stated in the introduction, "this second publication reports the washability and screen analyses of the important Illinois coal beds, showing the quality of product that would result when the raw coal is subjected to preparatory treatment" (p. 1). This report includes tables, maps, and illustrations.
- Reserves, Bed Characteristics, and Coking Properties of the Willow Creek Coal Bed, Kemmerer District, Lincoln County, Wyoming
- Report issued by the Bureau of Mines discussing the coal reserves and coking properties of the Willow Creek bed in Lincoln County, Wyoming. Analyses of the coal bed are presented in detail. This report includes tables, illustrations, photographs, and a map.
- 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
- 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.
- Safety Factors in Construction and Ventilation, Wawona Vehicular Tunnel, Yosemite National Park, California
- Report issued by the Bureau of Mines discussing the safety and ventilation hazards presented during the construction of the Wawona tunnel in Yosemite National Park. Safety precautions and procedures used during the construction are presented. This report includes tables, illustrations, and photographs.
- Washing Characteristics of the Pittsburgh Coal in a High-Sulfur Area in Greene County, Pennsylvania
- Technical paper issued by the Bureau of Mines over characteristics of Pittsburgh-seam coal in Greene County, Pennsylvania. The characteristics and locations of the coal are presented and discussed. This paper includes tables, maps, and illustrations.
- Water Pools in Pennsylvania Anthracite Mines
- Report issued by the Bureau of Mines discussing water pools that accumulate in Pennsylvania anthracite mines. Factors that lead to underground water pools, and methods for water drainage are presented. This report includes tables, maps, illustrations, and photographs.