1848 Map of Oregon and Upper California...

Map of Oregon and Upper California from the Surveys of John Charles Freemont and Other Authorities Increasingly rare and important map of Upper California and the Oregon Territory drawn from the expeditions of John C. Fremont, Christopher "Kit" Carson, and Charles Preuss to the American Western Frontier. This landmark map has historical importance for a number of reasons, but none more than its support for the prevailing 19th century idea of Manifest Destiny and the cartographic documentation of Freemont's three expeditions. In 1841, John C. Fremont (28 years old) marries Jesse Benton, daughter of the powerful Missouri Senator Charles Benton whom championed the expansionist movement, a political cause that became known as Manifest Destiny. Through his political power and influence, Benton procured funding and patronage for his new son-in-law John Fremont to lead three separate expeditions into the Oregon Territory, Great Basin, Sierra Nevada Range, and several parts unknown in what wa