St. Paul to Riviere des Lacs : from explorations and surveys /

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, Explorations and Surveys for a Railroad Route from the Mississippi River to the Pacific Ocean. Topographical Maps... to Illustrate the Various Reports... (Washington, 1859)
LC Railroad maps, 154
Description derived from published bibliography.
Available also through the Library of Congress Web site as a raster image.