ATSF
| Atchison Topeka & Santa Fe | 4 |
CBQ
| Chicago Burlington & Quincy | 5 |
CNW
| Chicago & Northwestern | 1 |
CPMY
| Coopersville & Marne Railway | 4 |
CS
| Colorado & Southern | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
GN
| Great Northern | 2 |
GTW
| Grand Trunk Western | 3 |
IC
| Illinois Central | 1 |
LN
| Louisville & Nashville | 2 |
OCTL
| Oil Creek and Titusville Lines | 2 |
PRR
| Pennsylvania Railroad | 3 |
SLSF
| Saint Louis-San Francisco | 1 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 3 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
UP
| Union Pacific Railroad Company | 1 |
UPP
| Union Pacific Passenger | 1 |
WAB
| Wabash | 1 |