Search U.S. government technical reports digitized or harvested by TRAIL.
Sampling dust in of rock-dusted mines
Explosions and other accidents from mudcapped shots in coal mines
Analyses of Kansas coals / [by the U.S. Bureau of Mines].
Mine explosions in the United States during the fiscal year ending June 30, 1929
Electrical blasting in sinking Montreal no. 5 shaft :also some safety practices at the Montreal mine
Methods of some progressive mining companies in placing responsibility for mine accidents