Category:Coal in Pennsylvania
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This category has the following 5 subcategories, out of 5 total.
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Media in category "Coal in Pennsylvania"
The following 4 files are in this category, out of 4 total.
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Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 2.jpg 2,444 × 2,578; 4.33 MB