Home > Term: cobbles
cobbles
A graded size of anthracite below large coal--about 5 in (12 cm).
- Ordklass: noun
- Bransch/domän: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
