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...
Lambert, John - Davis, Jefferson - Stevens, Isaac Ingalls - Siebert, Selmar - United States. War Department
Galbraith's railway mail service maps, Minnesota.
One of eight large-scale pictorial maps of midwestern states showing routes and post offices of the Railway Mail Service. Designed by Chicago railway mail clerk Frank H. Galbraith to help employees of the Railway Mail Service quickly locate counties and post offices. The maps were rented for practicing or prospective workers who numbered over 6,000 and traveled over a million miles a year on...
Galbraith, Frank H. - United States. Railway Mail Service