Search U.S. government technical reports digitized or harvested by TRAIL.
Recent rock-dusting experiments for arresting coal-mine explosions
Lessons from intensive dust sampling of a coal mine
Drill-dust collectors approved by the Bureau of Mines as of January 31, 1956
Coal-mine-explosion research by the Bureau of Mines, 1954-55
Studies on the development and control of coal-dust explosions in mines