Category:Upper Cretaceous geology of North America

Subcategories

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

Media in category "Upper Cretaceous geology of North America"

The following 3 files are in this category, out of 3 total.

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  Basal Iron Springs above Carmel.jpg 3,264 × 2,576; 6.34 MB
  
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  Gray shale & bentonites (Benton Shale, Upper Cretaceous; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 4.jpg 3,008 × 2,000; 4.78 MB
  
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  San Juan Basin Upper Cretaceous stratigraphy PeerJ e5435 fig 1.png 2,400 × 2,633; 640 KB