Category:Monographs of the United States Geological Survey, Volume XXV
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Media in category "Monographs of the United States Geological Survey, Volume XXV"
The following 4 files are in this category, out of 4 total.
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Agassiz.jpg 2,832 × 2,163; 6.82 MB
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Lake Agassiz, southern outlet.jpg 624 × 950; 220 KB
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Leaf Hills.jpg 633 × 540; 85 KB
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Monographs of the United States Geological Survey (IA monographsofunit251896geol).pdf 875 × 1,222, 778 pages; 48.14 MB