Category:18th-century geological maps of Europe
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Media in category "18th-century geological maps of Europe"
The following 5 files are in this category, out of 5 total.
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Bulletin of the Geological Society of America (1922) (19829447023).jpg 3,232 × 2,096; 1,005 KB
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Guettard-1752-carte mineralogique de la suisse--buache.png 1,130 × 852; 1.07 MB