Category:Intensely burrowed shale

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This category has only the following subcategory.

Media in category "Intensely burrowed shale"

The following 2 files are in this category, out of 2 total.

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  Intensely-burrowed shale (Pottsville Group, Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 2 (37302329721).jpg 3,734 × 3,000; 7.73 MB
  
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  Intensely-burrowed shale (Pottsville Group, Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 4 (36593089334).jpg 4,000 × 3,000; 5.99 MB