Film on the movement of material from the Chicago and Northwestern System.
1/1/1947
7/17/2018
4/19/2017
1/1/1952
10/15/2018
1/1/1954
12/31/1950
12/19/2023
6/27/2014
12/12/2022
1/1/2016
12/5/2012
1/1/1976
10/8/2012
7/18/2022
1/31/2019
9/28/1940
2/14/1976
11/22/2021