Search U.S. government technical reports digitized or harvested by TRAIL.
Training with mine-rescue breathing apparatus
Oxygen mine rescue apparatus and physiological effects on users
Analyses of Mine and Car Samples of Coal Collected in the Fiscal Years 1913 to 1916
Progress of investigations on liquid-oxygen explosives
Timbering along the robbing line :factors influencing falls of roof in coal mines
Stop, look and listen! :the roof is going to fall
How are men killed in mines by falls of roof and coal?
Area of unsupported roof in coal mines :conditions and factor[s] for consideration
State laws relating to coal-mine timbering
Falls of roof in bituminous coal mines :influence of the seasons and rate of production
Method and cost of mining the Pittsburgh, or no. 8, coal bed in four eastern Ohio mines
What the superintendent of a coal mine might do to prevent injury from falls of roof
What the mine foreman can do to prevent injury from falls of roof in coal mines
Reducing accidents from falls of roof in coal mines
What the coal miners can do to prevent injury from falls of roof
A study of falls of roof and coal in mines in the number 8 field of eastern Ohio
Roof support in coal mines in the Irwin, Greensburg and Latrobe Basins, Westmoreland County, Pa.
A study of falls of roof and coal in mines of Harrison County, West Virginia
A study of mine roof of the Pittsburgh coal bed in the Pittsburgh mining district
How to prevent death and injury from falls of roof in coal mines
Timber withdrawing and devices used for this purpose in some coal mines
Places of occurrence of injury from falls of roof
A study of roof in Pennsylvania mines contiguous to Monongahela River
A study of mine roof of the coking district of Western Pennsylvania