Coal-Mine Fatalities in April, 1931 (open access)

Coal-Mine Fatalities in April, 1931

Report issued by the U.S. Bureau of Mines on the coal mine related deaths during the month of April, 1931. The number of fatalities and the causes are presented. This report includes tables and graphs.
Date: May 1931
Creator: Adams, William Waugh & Chenoweth, L.
System: The UNT Digital Library
Coal-Mine Fatalities in December, 1930 (open access)

Coal-Mine Fatalities in December, 1930

Report issued by the U.S. Bureau of Mines on the coal mine related deaths during December, 1930. The number of fatalities and the causes are presented. This report includes tables.
Date: January 1931
Creator: Adams, William Waugh & Chenoweth, L.
System: The UNT Digital Library
Coal-Mine Fatalities in February, 1931 (open access)

Coal-Mine Fatalities in February, 1931

Report issued by the U.S. Bureau of Mines on the coal mine related deaths during the month of February, 1931. The number of fatalities and the causes of each are presented. This report includes tables.
Date: March 1931
Creator: Adams, William Waugh & Chenoweth, L.
System: The UNT Digital Library
Coal-Mine Fatalities in January, 1931 (open access)

Coal-Mine Fatalities in January, 1931

Report issued by the U.S. Bureau of Mines on the coal mine related deaths during the month of January, 1931. The number of fatalities and their causes are presented. This report includes tables.
Date: February 1931
Creator: Adams, William Waugh & Chenoweth, L.
System: The UNT Digital Library
Coal-Mine Fatalities in June, 1931 (open access)

Coal-Mine Fatalities in June, 1931

Report issued by the U.S. Bureau of Mines on the coal mine related deaths that occurred during the month of June, 1931. The number of fatalities and the causes of each are presented. This report includes tables and a graph.
Date: July 1931
Creator: Adams, William Waugh & Chenoweth, L.
System: The UNT Digital Library
Coal-Mine Fatalities in March, 1931 (open access)

Coal-Mine Fatalities in March, 1931

Report issued by the U.S. Bureau of Mines on the coal mine related deaths that occurred during the month of March, 1931. The number of fatalities and their causes are listed. This report includes tables.
Date: April 1931
Creator: Adams, William Waugh & Chenoweth, L.
System: The UNT Digital Library
Coal-Mine Fatalities in May, 1931 (open access)

Coal-Mine Fatalities in May, 1931

Report issued by the U.S. Bureau of Mines on the coal mine related deaths that occurred during the month of May, 1931. The number of fatalities and their causes are presented. This report includes tables and graphs.
Date: June 1931
Creator: Adams, William Waugh & Chenoweth, L.
System: The UNT Digital Library
Coal-Mine Fatalities in November, 1930 (open access)

Coal-Mine Fatalities in November, 1930

Report issued by the U.S. Bureau of Mines on the fatalities of coal miners in November, 1930. The common causes of death, and the location of the mines that the fatalities occurred in are listed. This report includes tables.
Date: December 1931
Creator: Adams, William Waugh & Chenoweth, L.
System: The UNT Digital Library
Development and Production History on the Salt Flat and Other Fault Fields of East Central Texas (open access)

Development and Production History on the Salt Flat and Other Fault Fields of East Central Texas

Report issued by the Bureau of Mines over the Salt Flat fields in East Central Texas. As stated in the introduction, "this report deals with the development and production history of the Salt Flat field and gives comparative data on five outstanding fault fields. Two of these fields are producing from limestone and three from sandstone reservoirs" (p. 2-3). This report includes tables, maps, photographs, and illustrations.
Date: March 1931
Creator: Hill, Harry Blackburn; Bauserman, E. V. H. & Carpenter, C. B.
System: The UNT Digital Library
Factors Influencing Flow of Natural Gas Through High-Pressure Transmission Lines (open access)

Factors Influencing Flow of Natural Gas Through High-Pressure Transmission Lines

Report issued by the U.S. Bureau of Mines on the effects of different operating conditions on high-pressure natural gas pipelines. Analysis of past and current studies on natural gas transmission are presented. This report includes tables, graphs, and an illustration.
Date: December 1931
Creator: Berwald, W. B. & Johnson, T. W.
System: The UNT Digital Library
Leaching Oxidized Copper Ores: Effect of Strength of Acid in Leaching Solvent (open access)

Leaching Oxidized Copper Ores: Effect of Strength of Acid in Leaching Solvent

Report issued by the U.S. Bureau of Mines on the leaching of copper ores. The different strengths and cycles of solvents to extract impurities from the ore are presented. This report includes tables and graphs.
Date: July 1931
Creator: Sullivan, John D. & Oldright, G. L.
System: The UNT Digital Library