Category:Upper Freeport Coal

Subcategories

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

Media in category "Upper Freeport Coal"

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

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  Bituminous coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, Ohio, USA) 4.jpg 3,238 × 1,179; 2.46 MB
  
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  Bulletin of the Geological Society of America (1917) (20261419600).jpg 1,772 × 3,264; 1.08 MB
  
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  Fossiliferous cannel coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, Ohio, USA) 2.jpg 3,814 × 1,503; 5.52 MB