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A map of Lewis and Clark's track, across the western portion of North ...
Scale ca. 1:4,300,000. Relief shown by hachures. Meridian: London and Washington. From Lewis, Meriwether, History of the expedition under the command of Captains Lewis and Clark, 1814. Available also through th... More
A map of Lewis and Clark's track across the western portion of North A...
Scale ca. 1:4,400,000. Relief shown by hachures. Meridian: London and Washington. Available also through the Library of Congress Web site as a raster image. Vault AACR2