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  • From 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.
    • Original Format: Maps
    • Date: 1859