Category:Elements of geology, or, The ancient changes ... (1866)
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Media in category "Elements of geology, or, The ancient changes ... (1866)"
The following 2 files are in this category, out of 2 total.
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Elements of geology - or, the ancient changes of the earth and its inhabitants as illustrated by geological monuments (IA b28094050).pdf 1,133 × 1,958, 824 pages; 81.53 MB