Caolumbia & Cowlitz Alco C-415 center-cab diesel locomotive number 701 with slug 701B and caboose number 5 crossing the Cowlitz River bridge at Rocky Point, Washington, on November 13, 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , wood caboose, freight train

Columbia & Cowlitz Alco C-415 center-cab diesel locomotive number 701 with slug 701B at Columbia Junction, near Rocky Point, Washington, in December 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive

Columbia & Cowlitz Alco C-415 center-cab diesel locomotive number 701 with slug 701B and caboose number 5 at Columbia Junction, near Rocky Point, Washington, on November 13, 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive, wood caboose.

Cascade Lumber Company diesel locomotive number 701B near Rocky Point, Washington, on November 13, 1975. Number 701B, a diesel slug with number 701 and caboose number 5 at Columbia Junction. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, slug

Connecticut Valley Railroad diesel locomotive 7145 at Essex, Connecticut on January 28, 1977. Number 7145, an 80-Ton model was built by General Electric 1942. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Consolidated Rail Corporation (Conrail) diesel locomotive 3274 leads a train at Newark, New Jersey in April 1988. Conrail train photo taken while riding a PATH train north of Newark, New Jersey in 1988. Photo by J.M. Fredrickson. Other Subject Classes: freight train

Consolidated Rail Corporation (Conrail) diesel locomotive 3073 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Consolidated Rail Corporation (Conrail) diesel locomotive 3303 at Washington, District of Columbia on July 5, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Consolidated Rail Corporation (Conrail) diesel locomotive 3336 at Newark, New Jersey in April 1988. Conrail photo taken while riding a PATH train north of Newark, New Jersey in 1988. Photo by J.M. Fredrickson. Other Subject Classes: freight train

Consolidated Rail Corporation (Conrail) diesel locomotive 3398 at Newark, New Jersey in April 1988. Conrail photo taken while riding a PATH train north of Newark, New Jersey in 1988. Photo by J.M. Fredrickson. Other Subject Classes: freight train