Category:Composite ironstone concretions from fluvial gravel bars in Ohio

Media in category "Composite ironstone concretions from fluvial gravel bars in Ohio"

The following 6 files are in this category, out of 6 total.

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  Composite ironstone concretion 1.jpg 3,009 × 2,593; 6.11 MB
  
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  Composite ironstone concretion 2.jpg 3,728 × 2,498; 6.47 MB
  
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  Composite ironstone concretion 3.jpg 3,331 × 2,185; 5.37 MB
  
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  Composite ironstone concretion 4.jpg 3,092 × 1,838; 4.27 MB
  
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  Composite ironstone concretion 5.jpg 3,263 × 1,722; 4.04 MB
  
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  Composite ironstone concretion 6.jpg 3,200 × 2,641; 6.6 MB