Map showing the route pursued by the exploring expedition to New Mexico and the southern Rocky Mountains : made under the orders of Captain J.C. Fremont / conducted by Lieut. J.W. Abert ; assisted by Lieut. W.G. Peck.
Abert, John James, 1788-1863.
Peck, William G. (William Guy), 1820-1892.
Frémont, John Charles, 1813-1890.