Published By A. Gensoul, Pacific Map Depot. No. 511 Montgomery St. San Francisco. Lith. Britton & Co. San Francisco.. Accessed from www.davidrumsey.com, December 1, 1865. Shows location of Port Isabel, Sonora and other landings along the Colorado River, 1865. Schooner discharging cargo into what appears to be Barge No. 1 and the "Mohave I" at Port Isabel. from hdl.huntington.org accessed July 28, 2015 - Mohave I ran from 1864 to 1875, barges were towed by the Johnson Company boats from 1865. Former populated places in San Luis Río Colorado Municipality, Sonora Communities in the Lower Colorado River Valley Port cities and towns on the Mexican Pacific coast River ports Steamboat transport on the Colorado River Colorado River Gulf of California History of Sonora Transportation in Sonora Populated places established in 1865 1865 establishments in Mexico