Home > Term: half-course
half-course
A drift or opening driven at an angle of about 45 degrees to the strike and in the plane of the seam.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Δημιουργός
- ed.young
- 100% positive feedback
(Milwaukee, United States)