Trains "froze up" frequently. Cars waiting in sidings had to be "warmed up" in small cuts before they could be moved. Train inspection when the winter winds swept down from the mountains was an invitation to frozen fingers, feet and noses.
Excerpts from Ross, Toni (1974). Oh! The Coal Branch -- a chronicle of the Alberta Coal Branch, Edmonton, AB: Toni Ross. SBN: 0-919212-51-4. Chapter Seven: The Railroaders