The making of Canada. Yukon and Northwest Territories / produced by National Geographic Maps for National Geographic magazine ; Allen Carroll, director of cartography ; John F. Shupe, chief cartographer.National Geographic Maps (Firm)c1997."Supplement to National Geographic, September 1997."On verso: 1. To 1576, arrival of the first peoples -- 2. 1576 to 1870, exploration and the fur trade -- 3. 1870 to 1939, Canada's northward expansion -- 4. 1939 to present, the modern north : roads, radcartographic