Search U.S. government technical reports digitized or harvested by TRAIL.
Explosions in Pennsylvania coal mines, 1870-1932
Advanced mine rescue training course of the Bureau of Mines
Work of the Bureau of Mines safety cars in the Pennsylvania anthracite region from 1934 to 1939
Emergency escapeways from coal mines
National first-aid and mine rescue contest, Charleston, W. Va., October 2-4, 1961