Category:Chadron Formation

Subcategories

This category has the following 4 subcategories, out of 4 total.

Media in category "Chadron Formation"

The following 16 files are in this category, out of 16 total.

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  Banded chalcedony (Prairie Agate) (White River Badlands area, western South Dakota, USA) 1 (15662979766).jpg 3,076 × 2,576; 3.1 MB
  
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  Door Trail PA110391 boardwalk 'Chadron Formation' is the surface (34-37 MYA) Eocene.JPG 3,072 × 2,304; 1.72 MB
  
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  Door Trail PA110400 'Chadron Formation' is the surface (34-37 MYA) Eocene.JPG 3,072 × 2,304; 1.09 MB
  
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  Door Trail PA110401 Chadron Formation' is the surface (34-37 MYA) Eocene.JPG 3,072 × 2,304; 1.56 MB
  
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  Door Trail PA110403 (Kathy).jpg 2,304 × 3,072; 1.42 MB
  
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  Door Trail PA110404.JPG 3,072 × 2,304; 1.12 MB
  
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  Door Trail PA110405 'Chadron Formation' is the surface (34-37 MYA) Eocene.JPG 3,072 × 2,304; 1.57 MB
  
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  Door Trail PA110407.JPG 3,072 × 2,304; 1.13 MB
  
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  Door Trail PA110416 'The Door'.JPG 2,304 × 3,072; 1.5 MB
  
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  Door Trail PA110426.jpg 3,072 × 2,304; 1.11 MB
  
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  Geology (1907) (14773277651).jpg 2,126 × 1,308; 431 KB
  
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  Pseudoprotoceras fossil.jpg 2,561 × 2,416; 5.17 MB
  
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  Scotts Bluff national Monument stratigraphic column.jpg 893 × 582; 95 KB
  
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  South Dakota - Badlands National Monument - June 1975 (8045944504).jpg 1,467 × 1,027; 461 KB
  
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  Water Supply and Irrigation Papers of the United States Geological Survey (1909) (14780695501).jpg 3,248 × 2,040; 1.2 MB
  
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  Window Trail Overlook PA110412.jpg 3,072 × 2,304; 1.52 MB