Browse TRAIL Inventories

Thousands killed by coal-mine explosions in the United States

Advanced mine rescue training course of the Bureau of Mines

Methods of rock-dusting American coal mines

Mine rescue life-line telephone assemblies

Control of roof and prevention of accidents from falls of rock and coal

Falls of roof :the no. 1 killer in bituminous-coal mines

Federal coal-mine inspection :a decade of progress : annual report for fiscal year 1951 and 10-year review


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