![](http://www.alamy.com/thumbs/6/65CC4841-A9E8-4694-AA2A-31D5B7C247F5/HBXAGD.jpg)
Image taken from page 528 of 'A Text-book of Ore and Stone Mining ... With frontispiece and 716 illustrations' Image taken from page 528 of 'A Text-book of Ore
Size: 1951px × 1281px
Photo credit: © Classic Collection / Alamy / Afripics
License: Licensed
Model Released: No
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