The tracks running from the lower right to the center background belonged the Chicago & Alton Railroad.
The building in the center was the Chicago & Alton Railroad passenger depot.
The tracks running from the lower right side of the photo to the background on the left belonged to the Atchison, Topeka & Santa Fe Railroad.
In the background on the left were the tracks of the Michigan Central Railroad's Joliet Cut-Off.
Compiled by Neil Gale, Ph.D.