The Coahuila y Zacatecas was a Mexican narrow gauge (3-foot) short line that served a large copper mine and smelter at Concepcion del Oro, Zacatecas. Its main line stretched 78 miles from a connection with the NdeM at Saltillo to Concepcion del Oro, southwest of Saltillo. In the early 1960s, the company was still running a mixed train with wooden passenger cars dating from the early 1900s. In this scene, Train No. 1 is en route to Conception. It will lay over at the end of the line for just over an hour and head back to Saltillo. Note the brakeman atop the first box car. He would walk back and forth over the car tops watching for hot boxes. (Eventually, he found one.) The railroad has since been abandoned.
