BNG
| Blackwell Northern Gateway Railroad Comp | 2 |
BNSF
| BNSF Railway | 2 |
CFWR
| Caney Fork and Western Railroad | 1 |
CNW
| Chicago & Northwestern | 4 |
INSX
| Independent Salt Company | 1 |
SOO
| Soo Line | 1 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 7 |
UP
| Union Pacific Railroad Company | 1 |