ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
ATW
| Atlantic and Western | 2 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 2 |
CSX
| CSX Railroad | 12 |
FBOX
| TTX Company | 3 |
HS
| H and S Railroad Company | 2 |
MP
| Missouri Pacific | 1 |
NYC
| New York Central | 1 |
RBOX
| Railbox Company | 2 |
SOU
| Southern | 1 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 1 |