Canadian Pacific Rail freight train Extra 5956 East at Yoho, BC

Engines 5956, 5805, 5688, and 5595 lead an eastbound train through Yoho climbing toward the upper spiral tunnel on July 18, 1981.

Canadian Pacific Rail caboose on freight train Extra 5837 East at Yoho, BC

Two years earlier, Extra 5837 East is climbing through Yoho. The head end is passing through the upper spiral tunnel. Disk 2