Category:1850 in geology
Science: Astronomy · Biology · Geography · Geology · Mathematics · Medicine · Paleontology · Physics ·
Subcategories
This category has the following 3 subcategories, out of 3 total.
Media in category "1850 in geology"
This category contains only the following file.
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Old Red Sandstone.djvu 1,690 × 2,740, 396 pages; 7.38 MB