BO
| Baltimore & Ohio |
|
1
|
0
| BO |
DH
| Delaware & Hudson |
|
1
|
0
| DH |
MEC
| Maine Central |
|
1
|
0
| MEC |
NW
| Norfolk & Western |
|
1
|
0
| NW |
RDG
| Reading Railroad |
|
1
|
0
| RDG |
SOO
| Soo Line |
|
1
|
0
| SOO |
SOU
| Southern |
|
2
|
0
| SOU |
SP
| Southern Pacific |
|
1
|
0
| SP |
SSW
| St Louis Southwestern (Cotton Belt) |
|
1
|
0
| SSW |