From the valley of Green River to the Great Salt Lake.
Scale 1:760,320. At head of title: Route near the 41st Parallel. Map no. 1. Relief shown by hachures. From U.S. War Department, Explorations and Surveys for a Railroad Route from the Mississippi River to the Pa... More
Skeleton map exhibiting the route explored by Capt. J. W. Gunnison U.S...
Scale 1:3,168,000. Relief shown by hachures. From Pacific Railroad Series, Vol 4. LC Railroad maps, 164 Description derived from published bibliography. Available also through the Library of Congress Web site a... More
From Great Salt Lake to the Humboldt Mountains.
Scale 1:760,320. At head of title: Route near the 41st Parallel. Map no. 2. Relief shown by hachures. LC copy missing data on left side of map. From U.S. War Department, Explorations and Surveys for a Railroad ... More
From the Humboldt Mountains to the Mud Lakes.
Scale 1:760,320. At head of title: Route near the 41st Parallel. Map no. 3. Relief shown by hachures. From U.S. War Department, Explorations and Surveys for a Railroad Route from the Mississippi River to the Pa... More
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 River to the Pa... More
Rio Colorado of the West / - Public domain old map
Relief shown by shading and hachures. Also shows routes of exploration. At head of title: Explorations and Surveys, War Department, map no. 2. Available also through the Library of Congress Web site as a raster... More