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  Partner: UNT Libraries Government Documents Department
 Country: United States
 State: Washington
 Collection: Technical Report Archive and Image Library
Accident Experience and Cost of Accidents in Washington Coal Mines

Accident Experience and Cost of Accidents in Washington Coal Mines

Date: November 1931
Creator: Ash, S. H.
Description: Report containing tables detailing cost of mining accidents in Washington state in comparison with other states.
Contributing Partner: UNT Libraries Government Documents Department
Beneficiation of Chromite Ores From Western United States

Beneficiation of Chromite Ores From Western United States

Date: June 1947
Creator: Batty, J. V.; Mitchell, T. F.; Havens, R. & Wells, R. R.
Description: Report issued by the U.S. Bureau of Mines on the sampling of chrome ore deposits in the western United States. Physical properties of the samples collected are presented. This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
Grays Harbor Estuary, Washington, Report 6: 45-Ft MSL (40-Ft MLLW) Navigation Channel Improvement Studies

Grays Harbor Estuary, Washington, Report 6: 45-Ft MSL (40-Ft MLLW) Navigation Channel Improvement Studies

Date: April 1976
Creator: Brogdon, Noble J.
Description: Report describing the sixth phase of tests conducted on the Grays Harbor estuary model. "The existing, comprehensive fixed-bed model of the Grays Harbor estuary was used to determine the effects of enlarging (deepening and widening) the existing 35-ft-deep channel to a depth of 45 ft msl. One 45-ft improvement plan consisting of 23 groins and a relocated turning/settling basin was also investigated. Model tests were conducted on the above plans to determine effects on tidal heights, current velocities and patterns, salinity intrusion, dye dispersion, and channel shoaling" (abstract, para. 1)
Contributing Partner: UNT Libraries Government Documents Department
Approximate Quantitative Microscopy of Pulverized Ores, Including the Use of the Camera Lucida

Approximate Quantitative Microscopy of Pulverized Ores, Including the Use of the Camera Lucida

Date: October 1919
Creator: Coghill, Will H. & Bonardi, J. P.
Description: Technical paper issued by the Bureau of Mines over microscopy of pulverized ores. As stated in the introduction, "this paper, which deals with the study of pulverized ores and the use of the camera lucida in such work, discusses an investigation undertaken at the Seattle and the Golden mining experiment stations of the Bureau of Mines" (p. 3). This paper includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Investigation of the Electric Point and Gladstone Lead-Zinc Mines, Stevens County, Washington

Investigation of the Electric Point and Gladstone Lead-Zinc Mines, Stevens County, Washington

Date: January 1949
Creator: Cole, John W.
Description: Report issued by the Bureau of Mines regarding studies conducted on lead-zinc mines in Stevens County, Washington. As stated in the introduction, "this report presents the factual data obtained from the trenching and sampling operations" (p. 1). This report includes tables, maps, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Some Haulage and Hoisting Hazards in Western Mines

Some Haulage and Hoisting Hazards in Western Mines

Date: December 1942
Creator: Denny, E. H. & Humphrey, H. B.
Description: Report issued by the U.S. Bureau of Mines discussing safety hazards in western mines. Mine hoisting and haulage accidents are presented. Accident prevention is also discussed. This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941

Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941

Date: November 1941
Creator: Fieldner, Arno Carl & Schmidt, L. D.
Description: Report issued by the U.S. Bureau of Mines discussing the annual report over the research and technology of coal during 1941. As stated in the foreword, "these investigations increase our fund of exact knowledge on the properties and composition of American coals and lead to better methods in mining, preparing, storing, and utilizing coal" (p. 4). This report includes tables, illustrations, photographs, and a map.
Contributing Partner: UNT Libraries Government Documents Department
Accelerated Laboratory Test for Determination of Slacking Characteristics of Coal

Accelerated Laboratory Test for Determination of Slacking Characteristics of Coal

Date: November 1930
Creator: Fieldner, Arno Carl; Selvig, W. A. & Frederic, W. H.
Description: Report issued by the U.S. Bureau of Mines on laboratory testing developed to measure the slacking of coals. Testing methods and results are presented. This report includes tables and graphs.
Contributing Partner: UNT Libraries Government Documents Department
Loss of Life Among Wearers of Oxygen Breathing Apparatus

Loss of Life Among Wearers of Oxygen Breathing Apparatus

Date: April 1944
Creator: Grove, G. W.
Description: Report issued by the U.S. Bureau of Mines discussing fatalities of mine workers while wearing self-contained oxygen breathing apparatuses. Descriptions of the circumstances surrounding the deaths of 26 workers are presented. This report includes a table.
Contributing Partner: UNT Libraries Government Documents Department
Comparative Yields of Light Oil, Tar, and Constituents from Carbonization Tests at 800 Degrees, 900 Degrees, and 1,000 Degrees Celsius

Comparative Yields of Light Oil, Tar, and Constituents from Carbonization Tests at 800 Degrees, 900 Degrees, and 1,000 Degrees Celsius

Date: March 1943
Creator: Holmes, C. R.; Wilson, J. E. & Davis, J. D.
Description: Report issued by the U.S. Bureau of Mines on testing done on a variety of American coals collected from 32 coal beds across the country. The carbonizing properties of samples tested at 3 different temperatures are presented. This report includes tables, and graphs.
Contributing Partner: UNT Libraries Government Documents Department
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