00943cam a2200241 4500 gs 67000292 DLC 20260227111421.0 700327s1968 dcuab c 00000 eng c gs 67000292 //r85 U.S. Geological Survey Library QE75 .P9 no. 590 Geological Survey (U.S.) A descriptive catalog of selected aerial photographs of geologic features in the United States, by Charles S. Denny [and others] Washington, U.S. Govt. Print. Off., 1968. 79 p. illus., fold. col. map. (in pocket) 29 cm. Professional paper 590 Part of illustrative matter in pocket. Aerial photography Catalogs. Denny, Charles Storrow, 1911- Selected aerial photographs of geologic features in the United States. Geological Survey professional paper ; 590. 30378 30378