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:
Description
Physical Description:iii, 16 pages : illustrations (2 folded in portfolio with book) ; 24 cm.
Bibliography:Bibliography: pages 15-16.