|
BN
| Burlington Northern | 1 |
|
BO
| Baltimore & Ohio | 1 |
|
CBQ
| Chicago Burlington & Quincy | 1 |
|
CNW
| Chicago & Northwestern | 2 |
|
CR
| Conrail | 9 |
|
CSL
| Chicago Short Line Railway Company | 2 |
|
GN
| Great Northern | 1 |
|
IAIS
| Iowa Interstate | 2 |
|
IC
| Illinois Central | 1 |
|
IHB
| Indiana Harbor Belt | 1 |
|
MILW
| Milwaukee Road | 1 |
|
NJT
| New Jersey Transit | 1 |
|
NKP
| Nickel Plate | 1 |
|
NS
| Norfolk Southern | 5 |
|
PC
| Penn Central | 1 |
|
PRR
| Pennsylvania Railroad | 4 |
|
SCIH
| South Chicago & Indiana Harbor Railway C | 2 |
|
SOO
| Soo Line | 1 |
