Browse TRAIL Inventories

Training with mine-rescue breathing apparatus

Oxygen mine rescue apparatus and physiological effects on users

Progress of investigations on liquid-oxygen explosives

State laws relating to coal-mine timbering

Falls of roof in bituminous coal mines :influence of the seasons and rate of production

Timbering regulations in certain coal mines of Pennsylvania, West Virginia, and Ohio

Falls of roof and coal in mines operating in the Pittsburgh coal bed in Marion and Monongalia counties, W. Va.

Falls of roof and coal in mines operating in the Sewickley coal bed in Monongalia County, W. Va.

Falls of roof and coal in mines operating in the Pittsburgh Coal Bed, Panhandle District, West Virginia

A study of mine roof of the Pittsburgh coal bed in the Pittsburgh mining district

A study of roof in Pennsylvania mines contiguous to Monongahela River

Falls of roof in mines operating in the Pittsburgh Coal Bed, West Virginia

A study of mine roof of the coking district of Western Pennsylvania


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