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Magnetic Separation of Ores
Report issued by the Bureau of Mines over studies conducted on the removal of magnetic materials from iron ores. As stated in the introduction, "this report discusses briefly operations and trends in magnetic separation, explains magnetic separation, describes and classifies the machines used, and outlines their development" (p. 1). This report includes tables, and illustrations.
Date:
1941
Creator:
Dean, Reginald S. & Davis, Charles Wesley
System:
The UNT Digital Library
Petroleum and Natural-Gas Fields in Wyoming
Report issued by the Bureau of Mines discussing 75 petroleum and natural gas fields studied throughout Wyoming. History, geographic location, geology, drilling methods, and detailed analyses are presented. This report includes tables, maps, and illustrations.
Date:
1941
Creator:
Espach, Ralph H. & Nichols, H. Dale
System:
The UNT Digital Library
Coal-Mine Accidents in the United States, 1938
Report compiled by the U.S. Bureau of Mines including statistics on fatal and non-fatal accidents in coal mines located in the United States as well as data regarding the various operations (e.g., number of miners employed and average production). The information is organized into tables for comparison and the text draws some overall conclusions in the summary.
Date:
1941
Creator:
Adams, W. W.; Geyer, L. E. & Parry, M. G.
System:
The UNT Digital Library