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You searched for: All Creators Hatch, Joseph R. Remove constraint All Creators: Hatch, Joseph R. All Subjects Geology, Stratigraphic--Carboniferous. Remove constraint All Subjects: Geology, Stratigraphic--Carboniferous. Subject Topical Coalbed methane--Appalachian Region, Southern. Remove constraint Subject Topical: Coalbed methane--Appalachian Region, Southern.

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