"Map no. 3, Rocky Mountains to Puget Sound : route near the 47th and 49th Parallels : from explorations and surveys made under the direction of the Hon. Jefferson Davis, Secretary of War" . . . . . "Route near the 47th and 49th Parallels Map No. 2 Rocky Mountains to Puget Sound" . . . . . . . . . "Rocky Mountains to Puget Sound" . "Washington (Nord)" . . "Idaho" . . "Reiseweg" . . "Forschungsreise" . . "Geschichte 1853-1854" . . . .