00957cam a22002651a 4500 gs 39000031 DLC 20260227111344.0 760217s1938 pauab b s000 0 eng c gs 39000031 (OCoLC)1997025 U. S. Geol. Survey. Libr. PSrS PPiU DLC premarc n-us-pa n-usl-- QE158.D4 W3 Ward, Freeman, 1879- Recent geological history of the Delaware Valley below the Water Gap / by Freeman Ward. Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1938. v, 76 p. : ill., maps ; 23 cm. Bulletin G ; 10 Includes bibliographical references. Geology Pennsylvania. Geology Delaware River Valley (N.Y.-Del. and N.J.) Delaware Valley below the Water Gap, Recent geological history of the. 27507 27507