|
BO
| Baltimore & Ohio | 1 |
|
CN
| Canadian National Railways | 1 |
|
CR
| Conrail | 6 |
|
CSX
| CSX Railroad | 1 |
|
EL
| Erie Lackawanna | 1 |
|
GACX
| General American Marks Company | 1 |
|
GRW
| Gary Railway | 2 |
|
HKRX
| HKRX | 1 |
|
LBR
| Lowville and Beaver River Railroad Compa | 1 |
|
LT
| Lake Terminal Railroad Company | 1 |
|
MKC
| McKeesport Connecting Railroad Company | 3 |
|
NOHX
| NOHX | 2 |
|
NS
| Norfolk Southern | 14 |
|
NW
| Norfolk & Western | 1 |
|
PC
| Penn Central | 1 |
|
PPLX
| Pennsylvania Power and Light Company | 2 |
|
SAL
| Seaboard Air Line | 2 |
|
SOM
| Somerset Railroad Corporation | 4 |
|
TR
| Tomahawk Railway L.P. | 1 |
|
URR
| Union Railroad | 5 |
