2) Vancouver, city, Canada. The Columbia Encyclopedia, Sixth Edition. 2001
...British Columbia, Canada, on Burrard Inlet of the Strait of Georgia, opposite Vancouver Island and just N of the Wash. border. It is the largest city on Canada's...

3) bison. The Columbia Encyclopedia, Sixth Edition. 2001
...Bison have short horns and humped, heavily mantled shoulders that slope downward to the hindquarters. The European bison, or wisent, Bison bonasus, has a less luxuriant...

4) fur trade. The Columbia Encyclopedia, Sixth Edition. 2001
...Trade in animal skins and pelts had gone on since antiquity, but reached its height in the wilderness of North America from the 17th to the early 19th cent. The demand...