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Cleaning tests of central Illinois coal
Pneumatic tabling of coal :effect of specific gravity, size, and shape
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Published Year
1920-1929 (1)
1930-1939 (1)
Subject
Coal washing (1)
Coal--Illinois (1)
Author
Yancey, Harry Fagan, (2) *
Fraser, Thomas, (1)
Porter, C. B., (1)
