Home > Term: instrumentalities of mining
instrumentalities of mining
The true meaning of such expressions as shafts, tunnels, levels, uprises, crosscuts, inclines, and sump when applied to mines signifies instrumentalities whereby and through which such mines are opened, developed, prospected, and worked.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Δημιουργός
- ed.young
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(Milwaukee, United States)