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1Published 1985Subjects: “...Coal Geology Appalachian Region, Southern....”
Government Document Microform Book -
2by Moebs, Noel N.Subjects: “...Coal Geology Appalachian Region....”
Published 1982
Government Document Book -
3by Jeran, P. W.Subjects: “...Coal Geology Appalachian Region....”
Published 1983
Government Document Book