Surface subsidence above longwall extrac
✦ LIBER ✦
Experience with rib pillar extraction in South African collieries : Beukes, J S Proc 1st Regional Conference for Africa, Rock Mechanics in Africa, Swaziland, 3–4 November 1988P87–99. Publ Marshalltown: SANGORM, 1988
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 119 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0148-9062
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