BR
| Buffalo and Pittsburgh | 1 |
CNA
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 4 |
IANR
| Iowa Northern Ry | 1 |
MSDR
| Knoxville & Holston River Railroad | 7 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |