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

Bibliographic Details
Main Authors:	Berryhill, Henry L., Jr. (Henry Lee), 1921-2013, Schweinfurth, Stanley P. (Author), Kent, Bion H. (Bion Huntley), 1925- (Author)
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1971.
Series:	Geological Survey professional paper ; 621.
Subjects:	Geology, Stratigraphic > Permian. Geology, Stratigraphic > Pennsylvanian. Coal > Geology > Pennsylvania > Washington Region.

by Berryhill, Henry L., Jr. (Henry Lee), 1921-2013, Kent, Bion H. (Bion Huntley), 1925-, Schweinfurth, Stanley P.
Published 1971

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