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An appraisal of the pillar support system at the St. Helena gold mine

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1. http://hdl.handle.net/10539/16748

Identifer	oai:union.ndltd.org:netd.ac.za/oai:union.ndltd.org:wits/oai:wiredspace.wits.ac.za:10539/16748
Date	26 January 2015
Creators	Hazell, A. A.
Source Sets	South African National ETD Portal
Language	English
Detected Language	English
Type	Thesis
Format	application/pdf, application/pdf, application/pdf, application/pdf, application/pdf, application/pdf, application/pdf