|
AAR
| Association of American Railroads | 7 |
|
BN
| Burlington Northern | 1 |
|
BO
| Baltimore & Ohio | 1 |
|
CBQ
| Chicago Burlington & Quincy | 1 |
|
CP
| Canadian Pacific Railway | 2 |
|
CR
| Conrail | 2 |
|
CSS
| Chicago South Shore And South Bend | 4 |
|
DCCX
| McDonnell Douglas Corporation | 1 |
|
GTW
| Grand Trunk Western | 1 |
|
IHB
| Indiana Harbor Belt | 1 |
|
INLX
| Incoal Company | 7 |
|
ISCX
| ISC Incorporated | 2 |
|
MILW
| Milwaukee Road | 1 |
|
MP
| Missouri Pacific | 1 |
|
NYC
| New York Central | 1 |
