Category:Coal maps of the United States
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Media in category "Coal maps of the United States"
The following 7 files are in this category, out of 7 total.
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AmCyc Coal - United States fields.jpg 3,545 × 2,557; 3.54 MB
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EB9 Pennsylvania - geological map.jpg 2,556 × 1,291; 403 KB
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NIE 1905 Coal - coal fields in the United States.jpg 2,481 × 1,560; 1.09 MB