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Sedimentology / Geology of West Virginia / Sandstone / Siltstone / Shale / Pennsylvanian / Allegheny Formation / Coal / Black Warrior Basin / Geography of the United States / Geology / Geology of Pennsylvania


Correlation Chart of Pennsylvanian Rocks in Alabama, Tennessee, Kentucky, Virginia, West Virginia, Ohio, Maryland, and Pennsylvania Showing Approximate Position of Coal Beds, Coal Zones, and Key Stratigraphic Units
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Document Date: 2015-02-23 15:35:26

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File Size: 198,84 KB

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