G.W. & C.B. Colton & Co. (1869). Map of the Central Pacific Railroad: The western portion of the main trunk of the great national railroad route across the continent. New York: The Company.

G.W. & C.B. Colton & Co. Map of the Central Pacific Railroad: The Western Portion of the Main Trunk of the Great National Railroad Route Across the Continent. New York: The Company, 1869.

G.W. & C.B. Colton & Co. Map of the Central Pacific Railroad: The Western Portion of the Main Trunk of the Great National Railroad Route Across the Continent. New York: The Company, 1869.