A pair of SD40's 5534 (A2179 1/67), and 5520 (A2152 10/66) lead CLC CFB16-4 B-unit 4454 (#2691 9/52) and
GMD GP9 8670 (A1126 5/57). Lake Louise August 1969.
This proves the old colour scheme didn't look too bad even when dirty unlike the new red which quickly shows dirt.