![](http://www.alamy.com/thumbs/6/C57AA460-8F13-4562-A130-894F5A2E9B35/HBX8WA.jpg)
Image taken from page 586 of 'A Text-book of Ore and Stone Mining ... With frontispiece and 716 illustrations' Image taken from page 586 of 'A Text-book of Ore
Size: 1238px × 2019px
Photo credit: © Classic Collection / Alamy / Afripics
License: Licensed
Model Released: No
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