홈 > Term: crop fall
crop fall
A caving in of the surface at the outcrop of the bed; caused by mining operations. Applied also to falls occurring at points not on the outcrop of the bed. Synonymous with day fall.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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