Category:Limestone with chert nodule and pyrite (Upper Pennsylvanian; Weeping Water, Nebraska)

Media in category "Limestone with chert nodule and pyrite (Upper Pennsylvanian; Weeping Water, Nebraska)"

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

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  Limestone with chert nodule and pyrite (Upper Pennsylvanian; Weeping Water, Nebraska, USA) 1.jpg 2,947 × 1,801; 4.2 MB
  
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  Limestone with chert nodule and pyrite (Upper Pennsylvanian; Weeping Water, Nebraska, USA) 2.jpg 3,008 × 2,000; 4.43 MB
  
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  Limestone with chert nodule and pyrite (Upper Pennsylvanian; Weeping Water, Nebraska, USA) 3.jpg 3,008 × 2,000; 4.2 MB