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The Canadian National Parks: Today and Tomorrow: Volume 1
The Canadian National Parks: Today and Tomorrow: Volume 2
Island forest year : Elk Island National Park
America's wilderness : how much can we save?
Flow regulation of the Red Deer River : report and ...
Sediment loads in Canadian rivers
William Pearce and federal government activity in Western Canada, 1882-1904 ...
A study of coal mining : Cascade coal area
Water Balance in North America : proceedings of the Symposium ...
Land use and resource development in the Eastern Slopes : ...
Erosion of land in North-Western Alberta : report and recommendations, ...
The Foothills resource allocation study : conducted under the Canadian ...
Involvement and environment : proceedings of the Canadian Conference on ...
History of the Eastern Rockies Forest Conservation Board, 1947-1973
Conservation unit guide, Part II
Canada's wild glory
Canadian public land use in perspective : proceedings of a ...
Man's impact on the Western Canadian landscape : a collection ...
Working for wildlife : the beginning of preservation in Canada