Search U.S. government technical reports digitized or harvested by TRAIL.
Morbidity studies as an aid in preventing illness among miners
Erection of barricades during mine fires or after explosions
Connection between physical condition and liability to accidents of metal miners
The miner's ounce of prevention--the operator's pound of cure
What the coal miners can do to prevent injury from falls of roof
An electromagnetic system for detecting and locating trapped miners