Browse TRAIL Inventories

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

Factors affecting falls of roof and coal

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

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

How to prevent death and injury from falls of roof in coal mines

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


Published Year

Subject

Author