Synonyms were used for:
Bergbau
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keywords:(Bergbau)
Gathering without animals locomotives or conveyors
A haulage system with gathering locomotives only
Haulage traffic expedited by dispatching
Face pressure and cleat in underground workings
Face pressure and cleat in underground workings
Underground haulage by locomotives
Haulage delays: Causes and remedies
Man-riding haulages in Lancashire
Track brakes for man-riding vehicles
Track brakes for man-riding vehicles
Spacing of sets on endless haulages
Derailments on main and tail haulages, and on direct rope haulage