BNSF ES44DC 7678 crosses the Colorado River at Topock at the CA - AZ border on February 13, 2007.

BNSF ES44DC 7678 crosses the Colorado River at Topock at the California - Arizona border on February 13, 2007.

BNSF ES44DC 7678 leads its autorack train across the Colorado River at Topock into Arizona on February 13, 2007.

Canon 1DSMKII - 1/800sec. - f/9 - ISO 250 - EF24-105mm L IS @24mm