Tully (Middle Devonian) to Queenston (Upper Ordovician) correlations in the subsurface of western Pennsylvania
By: by Louis Heyman.
Series: Mineral resource report ;; 73
Publisher: Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey
Published: 1977
Place of publication: Harrisburg
Language: eng
Number of pages: 16
Subjects: Geology, Stratigraphic -- Paleozoic.; Stratigraphic correlation -- Pennsylvania.; Geology -- Pennsylvania.
Notes: Bibliography: p. 15-16.