Soo Line SD40-2 6623, CP SD40 5540 and Soo Line 6621 westbound at Guelph Jct., Ontario

Soo Line SD40-2 6619 and 6623 entering CP Rail yard at Niagara Falls, Ontario.

SOO 6623 is about to hammer the MILW diamond in Burlington, WI in March of 1985. The diamond is gone today, but the line is now an important part of the Canadian National.