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Scale 1:1,200,000. Relief shown by hachures. At head of title: Route near the 47th and 49th Parallels. Map no. 1. "Drawn by John Lambert. Topographer of the exploration." From U.S. War Department, ...
Contributor: Lambert, John Site/Collection: Geography and Map Division - Railroad Maps, 1828 to 1900 - Transportation and Communication Cartographic Items - American Memory - Main Catalog Original Format: Map Date: 1859 View catalog record