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Griffin Coal's muja open cut — multiple deep seam mining over abandoned underground workings in severe hydrological systems : Calnan, R T; Evans, A W Proc International Conference of the South African Institute of Mining and Metallurgy: Planning and Operation of Open-pit and Strip Mines, Pretoria, 9–13 April 1984P283–292. Publ Johannesburg: South African Institute of Mining and Metallurgy, 1986

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 115 KB
Volume: 26
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(89)90871-1

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