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Coal-Dust Explosion Tests in the Experimental Mine 1913-1918, Inclusive
Report issued by the Bureau of Mines over experiments conducted on coal-dust explosions. The results of the experiments are presented and discussed. This report includes tables, illustrations, and photographs.
Date:
June 1922
Creator:
Rice, George S.; Jones, Lewis M.; Egy, Willard Leo & Greenwald, H. P.
System:
The UNT Digital Library
Recent Progress in the Thawing of Frozen Gravel in Placer Mining
Technical paper issued by the Bureau of Mines over progress made for thawing gravel in placer mines. Different thawing tests are presented and discussed. This paper includes tables, photographs, and illustrations.
Date:
June 1922
Creator:
Janin, Charles
System:
The UNT Digital Library