AGR
| Alabama and Gulf Coast | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 3 |
CIRR
| Chattahoochee Industrial Railroad | 2 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 3 |
CP
| Canadian Pacific Railway | 2 |
CPAA
| Canadian Pacific Railway | 2 |
CSX
| CSX Railroad | 70 |
FCRD
| First Coast Railway | 2 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GTW
| Grand Trunk Western | 1 |
HESR
| Huron and Eastern | 2 |
HS
| H and S Railroad Company | 4 |
IC
| Illinois Central | 1 |
MQT
| Marquette Rail | 5 |
NPGX
| NEWPAGE CORP | 1 |
NS
| Norfolk Southern | 2 |
OAR
| Old Augusta Railroad | 1 |
SGLR
| Seminole Gulf | 1 |
SOU
| Southern | 1 |
WCOR
| Wellsboro and Corning Railroad Company | 2 |
WLO
| Waterloo Railway Company (Illinois Central) | 2 |
WRWK
| Providence & Worchester Railroad | 2 |
WTRM
| Warren and Trumbull Railroad Company | 1 |