Map no. 4 from the valley of the mud lakes to the Pacific Ocean: from explorations and surveys made under the direction of the Hon. Jefferson Davis, Secretary of War; by Capt. E.G. Beckwith, 3d. Artillery; F.W. Egloffstein, topographer for the route.; Explorations and surveys for a rail road route from the Mississippi River to the Pacific Ocean.
Relief shown by hachures and spot heights. Shows drainage, railroads, trails, etc. From: Reports of Explorations and Surveys, to Ascertain the Most Practicable and Economical Route for a Railroad From the Mississippi River to the Pacific Ocean. 1 map; 54 x 46 cm This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.
United States. War Department.,Davis, Jefferson, 1808-1889, director.,Beckwith, E. G. (Edward Griffin), 1826-1909, cartographer.,Egloffstein, F. W., 1824-1885, topographer.,Siebert, Selmar, printer.,Dahl, James, former owner.