CBQ
| Chicago Burlington & Quincy | 2 |
CRIP
| Chicago Rock Island & Pacific | 1 |
IC
| Illinois Central | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MILW
| Milwaukee Road | 1 |
MSTL
| Minneapolis & St Louis | 1 |
NKP
| Nickel Plate | 1 |
SP
| Southern Pacific | 2 |
UP
| Union Pacific Railroad Company | 1 |