These documents, maintained by each tower, record the passage of each train by time, number of cars, motive power, etc.

 LEMO on 6/9/1967. Courtesy of David Hopson.

LEMO on 6/10/1967. Courtesy of David Hopson.

THORN on 1/1/1964. Courtesy of David Hopson.

THORN on 1/2/1964. Courtesy of David Hopson.