Home > Term: balnstone
balnstone
Eng. Stone in the roof of a coal seam; roof stone.
- Del af tale: noun
- Branche/domæne: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Ophavsmand
- ed.young
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(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
