Heath, G. J. (2010). The location, hazard assessment and sealing of unsafe mine openings in the Central Witwatersrand Gold Mining Basin.
Chicago Style (17th ed.) CitationHeath, Gregory John. The Location, Hazard Assessment and Sealing of Unsafe Mine Openings in the Central Witwatersrand Gold Mining Basin. 2010.
MLA (8th ed.) CitationHeath, Gregory John. The Location, Hazard Assessment and Sealing of Unsafe Mine Openings in the Central Witwatersrand Gold Mining Basin. 2010.
Warning: These citations may not always be 100% accurate.