A high load on a depressed-center flat car is transported in a short Santa Fe train, led by GP303211 (ex-ATSF 1211). The two tank cars may be there as buffer cars. (La Mirada California – August 3, 1973)
Photos showing the railroad pole lines. The pole line used four basic electrical circuits - telegraph, telephone, signaling, and power. Modern technologies of fiber optics, microwave, radio, satellite, and computers have been replacing the pole lines.
