Western Canada British Columbia Alberta Saskatchewan 1907 McNally large mapWestern Canada Showing Provinces of Alberta and Saskatchewan. (Old Maps, Early 20th Century Maps, North America, Canada, Western Canada, British Columbia, Alberta, Saskatchewan). Issued 1907, Chicago by Rand McNally. Large, oversized early 20th century color lithographed map. Not to be confused with the much more common smaller maps by this same maker, this one from the much more expensive and scarcer monumental Business Atlas. This size allows for