Stope, 4th Level East, Simmer & Jack Proprietary Mines, Witwatersrand from the Article MINING THE GOLD ORES OF THE WITWATERSRAND. By H. H. Webb and Pope Yeatman. from The Engineering Magazine Devoted to Industrial Progress Volume XV 1898 The Engineering Magazine Co


Size: 5184px × 3375px
Location: South Africa
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Royalty Free
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