Columbia subject headings:
Canada, Northern--Economic conditions.
Canada, Northern--Geography.
Indians of North America--Canada, Northern.
Natural resources--Canada, Northern.
Harvard subject headings:
Canada, Northern--Commerce.
Canada, Northern--Economic conditions.
Canada, Northern--Geography.
Indians of North America--Canada, Northern
Princeton subject headings:
Canada, Northern--Commerce.
Canada, Northern--Economic conditions.
Canada, Northern--Geography.
Indians of North America--Canada, Northern.