Two derricks, a sludge flare, and storage tanks among grain stubble, typical scene of oil fields in Alberta, and the foothills of the Rocky Mountains in the background, recognize the significance to the national economy of the development of oil in Western Canada. ("Canada's postage stamps", Douglas Patrick & Mary Patrick, McClelland and Stewart Limited, Toronto, 1964: 90)
pays: Canada
année: 1950
Yvert: 242
