MapFrom the valley of the Mud Lakes to the Pacific Ocean. Scale 1:760,320. At head of title: Route near the 41st Parallel. Map no. 4. Relief shown by hachures. From U.S. War Department, Explorations and Surveys for a Railroad Route from the Mississippi ...
- Contributor: Egloffstein, F. W. - Davis, Jefferson - Beckwith, E. G. (Edward Griffin) - Siebert, Selmar - United States. War Department
- Date: 1855