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Recovery of gold from black sand by classifier concentration
Work of the Alaska Mining Experiment Station of the U.S. Bureau of Mines
The determination of carbon monoxide in mines with the "iodine pentoxide" detector
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Published Year
1920-1929 (3)
Subject
Carbon monoxide (1)
Gold mines and mining (1)
Mine safety--Equipment and supplies (1)
Mines and mineral resources (1)
Author
Davis, John A. (3) *
Gross, John, (1)
McCAA, G. S. (1)