Home > Term: billy coal
billy coal
Staff. Miners' term for a thin, unworkable coal seam occurring above or below a workable seam.
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Looja
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
