Category:Coal in Ohio
Subcategories
This category has the following 14 subcategories, out of 14 total.
Media in category "Coal in Ohio"
The following 14 files are in this category, out of 14 total.
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Cannel coal (Tennessee, USA) 1.jpg 1,664 × 1,012; 1.19 MB
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Cannel coal (Tennessee, USA) 2.jpg 1,783 × 1,059; 1.33 MB
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Cannel coal (Tennessee, USA) 3.jpg 2,182 × 1,144; 1.49 MB
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Coal ball thin section1.jpg 640 × 480; 55 KB