AOK
| Arkansas-Oklahoma Railroad | 2 |
BCOL
| Canadian National Railways | 5 |
CN
| Canadian National Railways | 1 |
DWC
| Canadian National Railways | 3 |
GTW
| Grand Trunk Western | 2 |
IANR
| Iowa Northern Ry | 2 |
LRS
| Laurinburg and Southern | 1 |
NOKL
| Northwestern Oklahoma | 2 |
WC
| Wisconsin Central | 3 |