Guidebook to the geology of the Pennsylvania Turnpike : Carlisle to Irwin / by Arthur B. Cleaves and Robert C. Stephenson

Author: Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Published: [Harrisburg] : Dept. of Internal Affairs, Topographic and Geologic Survey, 1949.
Physical Description: v, 72 p., [8] folded leaves of plates : illus., maps (part fold. col.) ; 23 cm.
Additional Creators: Stephenson, Robert C. (Robert Charles), 1916-