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Timbering of Metal Mines
Report issued by the Bureau of Mines over the importance of timbering in metal mines. The reasons and methods for timbering are presented and discussed. This report includes illustrations, and photographs.
Date:
June 1923
Creator:
Holbrook, Elmer Allen; Ageton, Richard V. & Tufft, Harry E.
System:
The UNT Digital Library
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