UNT Libraries Government Documents Department - 191 Matching Results

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open access

United States Earthquakes, 1931

Description: Report discussing earthquake activity in the United States during 1931. The report is broken down by regions and has sections for specific earthquakes.
Date: 1932
Creator: Neumann, Frank
open access

Low-Temperature Carbonization Assays of North American Coals

Description: Report issued by the Bureau of Mines over studies conducted on low-temperature carbonization of coal. Methods and results of the studies are presented and discussed. This report includes tables, illustrations, and photographs.
Date: 1957
Creator: Selvig, W. A. & Ode, W. H.
open access

Plastic Magnesia

Description: Report issued by the Bureau of Mines over the production methods and uses of plastic magnesia. Methods, properties, and uses of plastic magnesia are discussed. This report includes tables, illustrations, and photographs.
Date: 1925
Creator: Ralston, Oliver C.; Pike, Robert D. & Duschak, Lionel H.
open access

Cle Elum Iron-Nickel Deposits, Kittitas County, Washington

Description: Report issued by the Bureau of Mines over studies conducted on the iron-nickel deposits of Kittitas County, Washington. As stated in the introduction, "the investigation consisted of road building, diamond drilling, sampling, and metallurgical tests" (p. 1). This report includes tables and maps.
Date: February 1948
Creator: Zoldok, S. W.
open access

Report of the Nonmetals Division: Fiscal Year 1942

Description: Report issued by the Bureau of Mines over the operations of the Nonmetals Division during 1942. The work done by the division is discussed. This report includes tables, illustrations, and photographs.
Date: November 1942
Creator: Ralston, Oliver C. & Stern, A. George
open access

Beneficiation of Chromite Ores From Western United States

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.
Date: June 1947
Creator: Batty, J. V.; Mitchell, T. F.; Havens, R. & Wells, R. R.
open access

United States Earthquakes, 1943

Description: Report discussing earthquake activity in the United States during 1943. The report is broken down by regions and has sections for specific earthquakes.
Date: 1943
open access

United States Earthquakes 1940

Description: Report discussing earthquake activity in the United States during 1940. The report is broken down by regions and has sections for specific earthquakes.
Date: 1940
open access

United States Earthquakes 1941

Description: Report discussing earthquake activity in the United States during 1941. The report is broken down by regions and has sections for specific earthquakes.
Date: 1941
open access

United States Earthquakes, 1936

Description: Report discussing earthquake activity in the United States during 1936. The report is broken down by regions and has sections for specific earthquakes.
Date: 1936
open access

United States Earthquakes 1942

Description: Report discussing earthquake activity in the United States during 1942. The report is broken down by regions and has sections for specific earthquakes.
Date: 1942
open access

Byproduct Coke-Oven Tests of Washington Coals

Description: Report issued by the U.S. Bureau of Mines on the coking-coal testing done on Washington coal. Descriptions of the testing, and properties of the coals tested are presented. This report includes tables, and photographs.
Date: August 1943
Creator: Yancey, H. F.; Daniels, Joseph; McMillan, E. R. & Geer, M. R.
open access

On Invertebrate Fossils from the Pacific Coast

Description: A report about fossils from the Chico-Téjon series of California. These fossils constitute additions to the already known molluscan fauna of an important series of rich strata.
Date: 1889
Creator: White, Charles A.
open access

Analyses of Washington Coals: Supplement to Technical Paper 491

Description: 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.
Date: 1941
Creator: Yancey, H. F. & Geer, M. R.
open access

Loss of Life Among Wearers of Oxygen Breathing Apparatus

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.
Date: April 1944
Creator: Grove, G. W.
open access

Some Haulage and Hoisting Hazards in Western Mines

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.
Date: December 1942
Creator: Denny, E. H. & Humphrey, H. B.
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