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present
Eng. Stone of suitable thickness for shaping into a tile stone without frosting; occurs in Stonesfield slate series and Chipping Norton limestone of the Cotswolds.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)