Home > Term: opens
opens
Large, open cracks or crevices and small and large caverns.
- Szófaj: noun
- Ipar/Tárgykör: Mining
- Kategória: General mining; Mineral mining
- Government Agency: USBM
0
Szerzőb
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
