From the Red River to the Rio Grande
Scale 1:950,400. At head of title: Route near the 32nd Parallel. Map and Profile no. 1. Relief shown by hachures. 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, 171 Description derived from published bibliography. Available also through the Library of Congress ...
Pope, John - Davis, Jefferson - United States. War Department