Home > Term: tunnel
tunnel
A short heading excavated into the face of a coal seam; a heading or drift across the strata, or from one deposit to another.
- 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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(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
