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Support requirements during shaft sinking operations at 10 shaft Vaal reefs exploration & Mining Co Ltd : Harris, B A; Akermann, K A Proc Symposium on Rock Instability Problems in Mine Shafts, Potchefstroom, 10 May 1990P1–5. Publ Marshalltown: SANGORM, 1990

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 108 KB
Volume: 28
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(91)93563-l

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