Guidebook to the geology of the Pennsylvania turnpike
By: by A. B. Cleaves and Geo. H. Ashley.
Contributors: Ashley, Geo. H. b. 1866.
Publisher: Dept. of Internal Affairs, Topographic and Geologic Survey
Published: 1942
Place of publication: Harrisburg, Pa
Language: eng
Number of pages: 37
Subjects: Geology -- Pennsylvania; Pennsylvania Turnpike (Pa.)