Geology of the Appalachian Trail in Pennsylvania
By: by J. Peter Wilshusen ; prepared in cooperation with the Keystone Trails Association.
Contributors: Keystone Trails Association.; Pennsylvania. Bureau of Topographic and Geologic Survey.
Series: General geology report ;; 74
Publisher: Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey : May be purchased from State Book Store
Published: 1983
Place of publication: [Harrisburg]
Language: eng
Number of pages: 121
Subjects: Geology -- Appalachian Trail -- Guidebooks.; Geology -- Pennsylvania -- Guidebooks.
Notes: Bibliography: p. 108-110.
One folded map in pocket.
Includes indexes.