Category:Scientific articles mentioning the Mount Simon Sandstone
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Media in category "Scientific articles mentioning the Mount Simon Sandstone"
The following 2 files are in this category, out of 2 total.
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Annual report of the Board of Regents of the Smithsonian Institution (IA annualreportofbo1920smit).pdf 825 × 1,314, 970 pages; 66.7 MB