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Train TXN (Extra 8675 West) crosses the San Pedro River entering Benson on February 1, 1974.
The Douglas Local (Extra 9308 East) is slowing at Benson on December 2, 1977. It will go down the Douglas Branch with traffic for Bisbee and Douglas. About a half hour later in the fading light of sunset, I tried to get a picture of the SP bridge over the San Pedro River. Benson is at milepost 1032 at 3,535 feet in elevation. Disk 56