BN
| Burlington Northern |
|
1
|
0
| BN |
CNW
| Chicago & Northwestern |
|
2
|
0
| CNW |
ICG
| Illinois Central Gulf |
|
3
|
0
| ICG |
ITC
| Illinois Terminal Railroad |
|
1
|
0
| ITC |
MIGN
| Michigan Northern |
|
1
|
0
| MIGN |
MKT
| Missouri-Kansas-Texas |
|
1
|
0
| MKT |
MP
| Missouri Pacific |
|
3
|
0
| MP |
NKP
| Nickel Plate |
|
1
|
0
| NKP |
NW
| Norfolk & Western |
|
1
|
0
| NW |
PC
| Penn Central |
|
2
|
0
| PC |
SLSF
| Saint Louis-San Francisco |
|
1
|
0
| SLSF |
SOO
| Soo Line |
|
1
|
0
| SOO |
SP
| Southern Pacific |
|
1
|
0
| SP |