Outstanding scenic geological features of Pennsylvania /

Bibliographic Details
Main Author:	Geyer, Alan R.
Corporate Author:	Pennsylvania. Bureau of Topographic and Geologic Survey
Other Authors:	Bolles, William H.
Format:	Book
Language:	English
Published:	Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey : may be purchased from State Book Store, 1979-
Series:	Environmental geology report ; 7.
Subjects:	Geology > Pennsylvania > Guidebooks. Pennsylvania > Pictorial works.

Description
Physical Description:	volumes : illustrations ; 26 cm.
Bibliography:	Includes bibliographies and indexes.