Search U.S. government technical reports digitized or harvested by TRAIL.
Industrial safety training at a mining school
Explosives accidents in California metal mines
Places of occurrence of injury from falls of roof
Accident experience and cost in California metal mines
Falls of coal and rock on man-trips in bituminous-coal mines
Suggested methods for the reduction of mine accidents from the viewpoint of the safety engineer
Preventing accidents by the proper use of permissible explosives