Arizona City was damaged and down river rivals Colorado City and Jaeger City were destroyed by the Great Flood of 1862 . Colorado City was rebuilt on higher ground and became part of Arizona City . Jaeger City was abandoned , its remaining inhabitants and the ferry moved up river to become part of Arizona City . With the end of the Butterfield route through New Mexico Territory in March 1861 , and Apache hostilities mail ceased to be delivered except by military courier and the Arizona post office was discontinued June 8 , 1863 . Its second and last postmaster from July 7 , 1858 , Landsford Warren Hastings , later in the American Civil War proposed a plan , ( never carried out ) , for the Confederacy to recapture Arizona as part of a campaign to cause a rising of southerners in California to take California from the Union . Hastings after the Civil War attempted to colonize Brazil with former Confederates
Great Flood of 1862
Great Flood of 1862
Arizona City (Yuma, Arizona)