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Mapping the National Parks
Scale not given. Accompanied by Dept. of the Interior news release: Radar probes geologic past of Yellowstone National Park. Available also through the Library of Congress Web site as a raster image. ...
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: 1968 View catalog record