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Relief shown by hachures. Mounted on cloth. Some acid offset on map. DLC Inset: Columbia River, reduced from a survey / made by the U.S. Ex. Ex., 1841. Scale ca. 1:700,000. Available ...
Contributor: Wilkes, Charles Site/Collection: Geography and Map Division - Discovery and Exploration - American Memory - Catalog Original Format: Maps Date: 1844 View catalog record