Modern Trends in Mechanized Mining

CHANGES in mining practices have evolved so quietly and unobtrusively that perhaps we scarcely appreciate how truly startling these changes are unless we cast our minds back so as to compare the past with the present. Such retrospection is, indeed, necessary when attempting to forecast the future, for it is only by carefully reviewing the past that we can hope to obtain an indication of what the future may hold in store.
Keywords: Coal, coal mining, Dominion Coal Company, Federal Department of Mines, mechanization, United States, Mechanical, mechanization, Mine, Mines, mining, Operation, Production
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