Home > Term: top bed
top bed
Eng. Often applied to the highest bed in a quarry. In Dorset and Somerset, the upper division of the Inferior Oolite.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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