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 Date: 2016-04-12 11:55:32Geology of the United States Paleozoic Geology Marcellus Formation Middle Devonian Utica Shale West Virginia Hamilton Group United States Geological Survey |
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| First Page | Document Content | |
|---|---|---|
Date: 2016-04-12 11:55:32Geology of the United States Paleozoic Geology Marcellus Formation Middle Devonian Utica Shale West Virginia Hamilton Group United States Geological Survey |
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Gen Strat Chart for WV