![](http://www.alamy.com/thumbs/6/D8C7087D-39C9-4FAB-A406-6A9747EDD370/HFM430.jpg)
Image taken from page 300 of 'A Treatise on Rocks, Rock-Weathering, and Soils. [With illustrations.]' Image taken from page 300 of 'A Treatise on Rocks,
Size: 2077px × 1203px
Photo credit: © Classic Collection 2 / Alamy / Afripics
License: Licensed
Model Released: No
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