Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and north California in the years 1843-'44
John Charles Frémont (Author), John Torrey, James Hall, Charles Preuss (Illustrator), Gales & Seaton (Printer), Edward Weber & Co (Lithographer), United States Army Corps of Engineers
Describes the author explorations in the Oregon and California territory from 1842 to 1846. Contains detailed descriptions of the geography, botany, and other scientific findings of the regions
Print Book, English, 1845
Gales and Seaton, printers, Washington, 1845