Map no. 1. From the valley of Green River to the Great Salt Lake -- Map no. 2. From the Great Salt Lake to the Humboldt Mountains -- Map no. 3. From the Humboldt Mountains to the Mud Lakes -- 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, 3rd Artillery, E.G. Egloffstein, topographer for the route. 1855.' ''Selmar Siebert's Engraving & Printing Establishment, Washington, D.C.' Published by the War Dept. Scale 1:760,320. 12 miles to 1 in. Relief shown by hachures and spot heights.

Union Pacific Railroad Co.

Label in lower right coner: 'Union Pacific System. Los Angeles & Salt Lake Railroad Co. Form 30, No. 6-4002. Las Vegas, Nevada. Location of proposed water line to be installed along Track No. 8. Scale 1" = 100'. Chief Engineer's Office, L.A. & S.L.R.R. Co., Los Angeles, Caif. May 1, 1931. Dwg. No. 36103.' Handwritten in red pencil on label: 'W.O. 9798.' Accompanies: Work Order Authority for Extensions and Additions to Exisiting Property, Los Angeles & Salt Lake Railroad Co., May 1, 1931. (Box 25 Folder 80-12).