ATSF - Atchison Topeka and Santa Fe
BCR - British Columbia Railway
BN - Burlington Northern
BR - British Rail (England)
CARGILL - Cargill Grain Corp.
CN - Canadian National Railways
CPR - Canadian Pacific Railway
CR - Consolidated Rail Corp. (CONRAIL)
CS - Chessie System
CV - Central Vermont Railroad
IC - Illinois Central
PRR - Pennsylvania Railroad
SHELL - Shell Oil Co.
UP / UPRR - Union Pacific Railroad
