FRÉMONT, JOHN CHARLES. 1813-1890.
Report of the Exploring Expedition to the Rocky Mountains in the Year 1842, and to Oregon and North California in the Years 1843-'44. Washington: Gales & Seaton, 1845. 693 pp. With 22 lithograph plates; 5 maps, 3 of them folding (1 loose in rear endpaper pocket). 8vo. Original brown cloth, spine lettered in gilt. Intermittent browning and spotting, some offsetting to plates, few foxmarks to folding plates, endpapers browned, shaken, corners bumped, tips showing.
First edition, Senate issue. Frémont's most important work, delineating the paths and trails that would be followed by a multitude of California and Oregon emigrants, with his important large map of the West. The first portion reprints Frémont's report of 1843, covering his 1842 expedition to the Rocky Mountains; the second portion records his expedition of 1843-1844. This Senate issue contains scientific data not present in the smaller House issue. Wheat describes the map in detail: "The year 1845, however, though otherwise somewhat cartographically barren, because of a single event is in fact one of the towering years in the story of Western cartography. In that year John C. Frémont's report of his journey to Oregon and California in 1843-44 was published. This report and the Frémont (Preuss) map which accompanied it, changed the entire picture of the West, and made a lasting contribution to cartography...." Cowan p.223-4; Graff 1436; Howes F370; Wagner-Camp 115:1; Wheat Transmississippi West Vol. II, pp.194-200, Map 497; Zamorano Eighty 39.