![](http://www.alamy.com/thumbs/6/3FF84CDB-7C54-4427-BE8A-49F61E694655/HBYHGR.jpg)
Image taken from page 520 of 'Mining. An elementary treatise on the getting of minerals' Image taken from page 520 of 'Mining An elementary treatise
Size: 1380px × 1811px
Photo credit: © Classic Collection / Alamy / Afripics
License: Licensed
Model Released: No
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