thumb|400px|right|View showing steamboat Cochan on the Colorado River near Yuma, Arizona in 1900.This picture was taken in 1900 by Mr. L. C. Easton, formally employed by this office (Department of Defense. Department of the Army. Office of the Chief of Engineers. Los Angeles District). A photograph of the Cochan, last stern-wheel steamboat running on the Colorado River for the Colorado Steam Navigation Company between 1899 and 1909. This photo was taken in 1900. Cochan was sold to the U.S Reclamation Service in 1909. Not required by the Service, Cochan was dismantled in 1910.
