Geologic map of the Pine Grove quadrangle, Schuylkill, Lebanon, and Berks Counties, Pennsylvania /

Bibliographic Details
Main Author:	Wood, Gordon H. (Gordon Harry), 1919-
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Kehn, Thomas M.
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : Geological Survey, 1968.
Series:	Geologic quadrangle map ; GQ-691.
Subjects:	Geology > Pennsylvania > Schuylkill County > Maps. Geology > Pennsylvania > Lebanon County > Maps. Geology > Pennsylvania > Berks County > Maps.