Map of an exploring expedition to the Rocky Mountains in the year 1842 and to Oregon & north California in the years 1843-44 / by Brevet Capt. J.C. Frémont of the Corps of Topographical Engineers under the orders of Col. J.J. Abert, Chief of the Topog...
From Parts (In 3 layers) Depicts: 1845 Last modified over 5 years ago. 5 control points.
A low resolution preview is shown below.