Safety Phases in Mechanized Mining in the State of Washington

No single factor in modern civilization has played a more important part in the lives of our people than mechanization in industry and to it civilization owes much of its progress. In no industry has mechanization met more opposition than in coal mining, where the introduction of mechanical equipment has been opposed on many fronts for economic and social reasons
Keywords: Adoption of Conveyors, American Mining Congress, Coal Fields of Kittitas County, U.S. Bureau of Mines, United States Bureau of Mines, Coal, conveyors, Loading, Mine, Mines, mining, Pans
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