Home > Term: ground prop
ground prop
The puncheon between the lowest frame and a foot block in a timbered excavation, used to support the weight of the timbering.
- Szófaj: noun
- Ipar/Tárgykör: Mining
- Kategória: General mining; Mineral mining
- Government Agency: USBM
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Szerzőb
- ed.young
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(Milwaukee, United States)
