Search U.S. government technical reports digitized or harvested by TRAIL.
Development of liquid oxygen explosives during the war
Some factors affecting losses of coal in mining
Momentary heating of inflammable coal dusts
Coal-Dust Explosion Tests in the Experimental Mine 1913-1918, Inclusive
Effective rock-dusting of coal mines
Fifty-Nine Coal-Mine Fires: How They Were Fought and What They Teach
Potash Mining in Germany and France