Category:Monographs of the United States Geological Survey, Volume XXV

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