Coal-bearing Upper Pennsylvanian and Lower Permian rocks, Washington area, Pennsylvania /

Bibliographic Details
Main Authors:	Berryhill, Henry L., Jr. (Henry Lee), 1921-2013 (Author), Kent, Bion H. (Bion Huntley), 1925- (Author), Schweinfurth, Stanley P. (Author)
Corporate Author:	Pennsylvania. Bureau of Topographic and Geologic Survey
Format:	Government Document eBook
Language:	English
Published:	Washington : United States Department of the Interior, Geological Survey, 1971.
Series:	Geological Survey professional paper ; 621.
Subjects:	Coal > Geology > Pennsylvania > Washington Region. Geology, Stratigraphic > Pennsylvanian. Geology, Stratigraphic > Permian.
Online Access:	https://purl.fdlp.gov/GPO/gpo83116

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