During his trip out west on the Atchison, Topeka and Santa Fe Railroad in March of 1943, Jack Delano would take advantage of the various stops along the way to observe the surroundings. When the train reached a place named Iden, New Mexico, located between Clovis and Vaughn, he photographed this section gang as they were lining the track.

Assistant Foreman George Zamora is seen sighting down the rail looking at its alignment. They are checking for both vertical and horizontal alignment, and are also checking the track gauge as they work down the line.