Category:1886 books about geology

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This category has the following 3 subcategories, out of 3 total.

Media in category "1886 books about geology"

This category contains only the following file.

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  On the agency of water in volcanic eruptions - with some observations on the thickness of the Earth's crust from a geological point of view, and on the primary cause of volcanic action (IA b22446151).pdf 1,125 × 1,881, 64 pages; 4.59 MB