Tully (Middle Devonian) to Queenston (Upper Ordovician) correlations in the subsurface of western Pennsylvania /

Bibliographic Details
Main Author:	Heyman, Louis
Format:	Book
Language:	English
Published:	Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1977.
Series:	Mineral resource report ; 73.
Subjects:	Geology, Stratigraphic > Paleozoic. Stratigraphic correlation > Pennsylvania. Geology > Pennsylvania.

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