The Rocky Mountains, Or, Scenes, Incidents, and Adventures in the Far West Digested from the Journal of Captain B.L.E. Bonneville, of the Army of the United States, and Illustrated from Various Other Sources

Drawing on Bonneville's own journals- Washington Irving chronicles the exploits and adventures of Captain James Bonneville- one of the earliest explorers of the American West- detailing his various journeys with mountain man Joseph Rutherford Walker; ; their discovery of Yosemite, Walker Pass. First American Edition.