From Fort Smith to the Rio Grande : from explorations and surveys
Relief shown by hachures. At head of title: Route near the 35th Parallel. Map no. 1. 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) Description derived from published bibliography. Inset: Sketch of Rio Pecos at Anton Chico. 20 x 15 cm. Scale 1:950,400. LC Railroad maps, 152 Available also through the Library of Congress Web site as a raster image.