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Control of Metallurgical and mineral dusts and fumes in Los Angeles County, California
Report issued by the U.S. Bureau of Mines discussing metallurgical and mineral fumes and dusts in Los Angeles County, California. Properties of dusts and fumes from different minerals are presented. This report includes tables, maps, illustrations, and photographs.
Date:
April 1952
Creator:
Allen, Glenn L.; Viets, Floyd H. & McCabe, Louis C.
System:
The UNT Digital Library
Mechanical Mining in Some Bituminous-Coal Mines: Progress Report 6. Extraction of Pillars with Mechanized Equipment
Report issued by the U.S. Bureau of Mines discussing mechanical mining processes in bituminous coal mines. As stated in the introduction, "this is the sixth of a series of publications that describe methods and practices in mining coal mechanically" (p. 1). This report includes tables, and illustrations.
Date:
April 1952
Creator:
Haley, Wilbur A.; Shields, Joseph J.; Toenges, Albert L. & Turnbull, Louis A.
System:
The UNT Digital Library