ETT # 18, 09/24/39
SUPPLEMENT # 1 TO ETT # 19, 06/21/40 affecting
schedules only
MEC-PTRR ETT # 1, 04/26/59
MEC-PTRR FREIGHT, LOCAL AND ROAD SWITCHER ASSIGNMENTS 04/26/59
MEC-PTRR ETT # 2, 10/25/59
MEC-PTRR ETT # 4, 04/24/60
MEC-PTRR ETT # 4 SUPPLEMENT # 3, 06/12/60
MEC-PTRR ETT # 4 SUPPLEMENT # 4, 06/21/60
MEC-PTRR ETT # 4 SUPPLEMENT # 5, 06/20/60
MEC-PTRR ETT # 4 SUPPLEMENT # 6, 09/06/60
MEC-PTRR ETT # 16, 04/24/66
MEC-PTRR ETT # 18, 04/28/68
MEC-PTRR ETT # 20, 10/31/71
MEC MESSENGER NEWSLETTER VOLUME 7 # 4, 02/67