Canadian National Railway Company diesel locomotive 5137 at Jasper, Alberta in August 1990. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Canadian National Railway Company diesel locomotive 5256 at Jasper, Alberta on July 08, 1990. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Canadian National Railway Company diesel locomotive 5407 at Jasper, Alberta in August 1990. 5407 is connected to another locomotive. A sanding tower is visible in the background. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Canadian National Railway Company diesel locomotive 5409 at Jasper, Alberta in August 1990. 5409 is a GF-636a class locomotive. CN tank car 990730 is partially visible on an adjacent track. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Canadian National Railway Company diesel locomotive 5411 at Jasper, Alberta in August 1990. 5411 is a GF-636a class locomotive. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Canadian National Railway Company diesel locomotive 5519 at Jasper, Alberta on July 08, 1990. CN 5519 an SD60 class diesel locomotive built by EMD Canada. The entry door to the cab is open. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Canadian National Railway Company diesel locomotive 5526 at Jasper, Alberta in August 1990. CN 5526 is a GF-638b class locomotive. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Canadian National Railway Company diesel locomotive 5551 at Jasper, Alberta on July 08, 1990. CN 5551 an SD60 class diesel locomotive built by EMD Canada. 5551 is connected to CN 5554. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Diesel locomotive CP 5538, a Class SD40 at Banff, Alberta, 1972, leading a freight train. Photo taken by C.L. Strawn. Other Subject Classes: Locomotive-Diesel

Diesel locomotive CP 8516, a Class GP9 on a caboose hop at Banff, Alberta, July 1973. Photo taken by C.L. Strawn. Other Subject Classes: Locomotive-Diesel