ホーム > Term: assessment drilling
assessment drilling
Drilling done to fulfill the requirement that a prescribed amount of work be done annually on an unpatented mining claim to retain title.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
0
作成者
- ed.young
-
(V.I.P) 21084 ポイント - 100% positive feedback
(Milwaukee, United States)
