Search U.S. government technical reports digitized or harvested by TRAIL.
Rock-dust barriers for coal mines
Coal-dust explosibility factors indicated by experimental mine investigations 1911 to 1929
Tests of a barrier using rock dust in paper bags
Explosibility of semianthracite, low-volatile bituminous-coal, and medium-volatile bituminous-coal dusts
Tests in the Experimental coal mine to determine requirements for preventing propagation of coal-dust explosions in rooms