BN
| Burlington Northern | 51 |
CBQ
| Chicago Burlington & Quincy | 1 |
CNW
| Chicago & Northwestern | 2 |
CRIP
| Chicago Rock Island & Pacific | 2 |
DIR
| DIR | 1 |
DMIR
| Duluth Missabe & Iron Range | 6 |
DNE
| Duluth and Northeastern Railroad Company | 2 |
DWP
| Duluth Winnipeg & Pacific | 1 |
GN
| Great Northern | 8 |
IC
| Illinois Central | 1 |
MILW
| Milwaukee Road | 4 |
MNS
| Minneapolis Northfield & Southern | 2 |
MP
| Missouri Pacific | 1 |
MRL
| Montana Rail Link | 1 |
NLR
| NLR | 13 |
NP
| Northern Pacific | 3 |
SOO
| Soo Line | 14 |
UP
| Union Pacific Railroad Company | 5 |