Category:Old geological cross sections of the United States

Subcategories

This category has the following 9 subcategories, out of 9 total.

Media in category "Old geological cross sections of the United States"

The following 4 files are in this category, out of 4 total.

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  AmCyc Coal - Appalachian Formations.jpg 2,280 × 353; 430 KB
  
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  Annual Reports of the Department of the Interior for the Fiscal Year Ended June 30, 1900-Twenty-First Annual Report of the United States Geological Society (1901) (14782228604).jpg 3,836 × 2,020; 1.88 MB
  
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  Bulletin (1910) (14597157218).jpg 3,472 × 1,634; 910 KB
  
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  The deposits of the useful minerals and rocks; their origin, form, and content (1914) (14593611030).jpg 2,688 × 1,266; 465 KB