Search U.S. government technical reports digitized or harvested by TRAIL.
Men who received Bureau of mines certificates of mine rescue training, July 1, 1914 to June 30, 1916
Permissible explosives, mining equipment, and apparatus, approved prior to March 15, 1922
Signalling from cages at rest or in motion
Explosion in school building at New London, Tex., March 18, 1937
Gas explosions in buildings :their cause and prevention
Gas explosions in buildings :their cause and prevention
Explosions in coal mines caused by smoking
Peat-Bog Fires: Their Origin and Control
Protection against lightning at surface and underground mining plants