https://catalogue-scientifique.canada.ca/record=1243170~S6*frc
Rechercher Grand Trunk Railway Company of Canada; Rechercher Canada. Energy, Mines and Resources Canada; Rechercher Canadian National Railways; Rechercher Grand Trunk Pacific Railway Company; Rechercher Federal Energy Management Programs (Canada); Rechercher Canada. Internal Energy Programs Division; Rechercher Canada. Federal Energy Management Programs Division; Rechercher Canadian Government Railways; Rechercher Canadian National
Energy, Mines and Resources Canada, 1983
Publication gouvernementale