Map No.3 Rocky Mountains to Puget Sound; from Explorations and Surveys made under the direction of the Hon. Jefferson Davis Secretary of War by Isaac I. Stevens, Governor of Washington Territory 1853-4.
Washington DC, United States: 1853-4. Notes: Map showing the Route Near the 47th and 49th Parallels. It covers the Rocky Mountains in Montana to Puget Sound and the Pacific Ocean. Inset map titled "Reconnaissance of the Railroad Route from Wallawalla to Seattle via Yak-e-mah River & Snoqualmie Pass. By A.W......