Synonyme wurden verwendet für:
Steinkohlenbergbau
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keywords:("Steinkohlenbergbau")
Safety of underground transport
Safety of underground transport
Locomotive and mine-car systems
Extraction of stoops by shuttle cars and loaders
Haulage accidents in coal mines
Aerial ropeway for transporting coal
The Tilmanstone aerial ropeway
The prevention of haulage accidents
A haulage system with gathering locomotives only
A haulage system with gathering locomotives only
Safety aspects of underground transport in coal mines
History of development unit in low hazel seam at gedling colliery
Haulage accidents in south-western division
Trolley wire locomotive haulage
Trolley wire locomotive haulage
Shuttle cars in block system; pillaring with development
Stripping employed to start recovery of 20,000 tons per acre
Maintenance of haulways for safety
Modern loader mining with shuttle cars and conveyor puts Kentucky truck mine in top class
Track brakes for man-riding vehicles
Track brakes for man-riding vehicles