Browse TRAIL Inventories

The Bureau of Mines coal-sampling truck

Underground transportation of coal :Progress report 1

Underground transportation of coal :progress report [No.] 2

Multiple-shift mechanical mining in some bituminous-coal mines.

An analysis of the use of electricity at coal mines.

Breaking coal with airdox

Two devices to prevent electric arcs with airdox operations in coal mines

Mechanical mining in some bituminous-coal mines.

A study of stray electric currents in airdox systems in coal mines

Safety aspects of controls and operations of belt conveyors in coal mines

Testing and splicing electric cables and frame-grounding pit equipment, Tecumseh coal-strip Mine, Boonville, Ind.

Coal mine equipment forecast to 1985

Surface testing and evaluation of the conveyor belt service machine


Published Year

Subject

Author