Category:Pennsylvanian geology of the United States
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This category has the following 9 subcategories, out of 9 total.
Media in category "Pennsylvanian geology of the United States"
The following 8 files are in this category, out of 8 total.
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Geologic Map for the Anadarko Basin.png 1,013 × 795; 194 KB
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Illinois Basin Pennsylvanian strata cross section.jpg 1,243 × 673; 95 KB
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Illinois Basin Pennsylvanian stratigraphy.jpg 1,118 × 732; 133 KB
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Ohio River (north of Powhatan Point, Ohio, USA) 3 (29221325243).jpg 4,000 × 3,000; 4.68 MB
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Pyrite in bituminous coal (Pennsylvanian; eastern USA) (18858200370).jpg 1,062 × 680; 1.39 MB
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US pennsylvanian general USGS.jpg 500 × 353; 22 KB
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USGSBulletin1291 mapofUS MiddlePennTime.png 981 × 654; 451 KB