Includes: Profile of the route from the mouth of the Kansas to the Pacific by Capt. J.C. Fremont in 1843. Scale 1:3,000,000. Or 47,35 [i.e. 47.35] miles to one in. MiU copy mounted on chartex. From "Report of the exploring expedition to the Rocky mountains inyear 1842, and to Oregon and north California in the years 1843-44". 1 map on 2 sheets: col.; 76 x 127 cm.