![](http://www.alamy.com/thumbs/6/71A00E86-8D50-4CC9-8888-A04142A30CC9/HBXBB3.jpg)
Image taken from page 294 of 'A Text-book of Ore and Stone Mining ... With frontispiece and 716 illustrations' Image taken from page 294 of 'A Text-book of Ore
Size: 1489px × 1678px
Photo credit: © Classic Collection / Alamy / Afripics
License: Licensed
Model Released: No
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