Cleaves, Arthur B. 1905-

Guidebook to the geology of the Pennsylvania turnpike, by A. B. Cleaves and Geo. H. Ashley. - Harrisburg, Pa., Dept. of Internal Affairs, Topographic and Geologic Survey, 1942. - iv, 37 p. illus. (incl. maps) plates. 23 cm.

gs 42000209


Geology--Pennsylvania


Pennsylvania Turnpike (Pa.)

QE157 / .C55

557.48