|
ATSF
| Atchison Topeka & Santa Fe | 5 |
|
CBQ
| Chicago Burlington & Quincy | 1 |
|
DRGW
| Denver & Rio Grande Western | 2 |
|
LN
| Louisville & Nashville | 1 |
|
MILW
| Milwaukee Road | 1 |
|
MP
| Missouri Pacific | 1 |
|
NKP
| Nickel Plate | 1 |
|
NP
| Northern Pacific | 3 |
|
NYC
| New York Central | 1 |
|
PC
| Penn Central | 1 |
|
PRR
| Pennsylvania Railroad | 1 |
|
RDG
| Reading Railroad | 1 |
|
RI
| RI | 3 |
|
SAL
| Seaboard Air Line | 1 |
|
SP
| Southern Pacific | 1 |
|
UP
| Union Pacific Railroad Company | 4 |
|
WM
| Western Maryland | 2 |
