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Mapping the National Parks
Scale 1:62,500 Relief shown by shading, contours, and spot heights. "Compiled from 1:62,500-scale maps dated 1942, 1943 and 1956. Revised from aerial photographs taken 1970. Field checked 1971." "Polyconic projection. 1927 North ...
Contributor: Geological Survey (U.S.) Site/Collection: Geography and Map Division - Mapping the National Parks - Additional Conservation and Environment Cartographic Items - American Memory - Main Catalog Original Format: Map Date: 1971 View catalog record