James H. Morrison fonds
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James H. Morrison fonds
Photographs of the geology and flora of Sverdrup Pass, Ellesmere Island
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Photographs of the geology and flora of Sverdrup Pass, Ellesmere Island
Movements of sympatric species of snakes at Amherstburg, Ontario : [manuscript]
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Movements of sympatric species of snakes at Amherstburg, Ontario : [manuscript]
Charles Beecher Weld fonds
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Charles Beecher Weld fonds
Photographs of Musk-ox at Sverdrup Pass, Ellesmere Island
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Photographs of Musk-ox at Sverdrup Pass, Ellesmere Island
Photographs of Great Grey, Snowy, and Barred owls
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Photographs of Great Grey, Snowy, and Barred owls
Photographs of snakes at Amherstburg, Ontario, and the Allegheny Plateau, New York
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Photographs of snakes at Amherstburg, Ontario, and the Allegheny Plateau, New York
Photographs of Rock ptarmigan at Fiona Lake, Somerset Island
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Photographs of Rock ptarmigan at Fiona Lake, Somerset Island
Pollutant inputs from the atmosphere and accumulations in soils and vegetation near a nickel-copper smelter at Sudbury, Ontario, Canada : [manuscript and correspondence]
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Pollutant inputs from the atmosphere and accumulations in soils and vegetation near a nickel-copper smelter at Sudbury, Ontario, Canada : [manuscript and correspondence]
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nest at Alexandra Fiord, Ellesmere Island
Photographs of Long-tailed jaeger at Eureka and Alexandra Fiord, Ellesmere Island
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Photographs of Long-tailed jaeger at Eureka and Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Photographs of Arctic fox at Alexandra Fiord, Ellesmere Island
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Photographs of Arctic fox at Alexandra Fiord, Ellesmere Island
Smelter pollution near Sudbury, Ontario, Canada, and effects on forest litter decomposition :
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Smelter pollution near Sudbury, Ontario, Canada, and effects on forest litter decomposition :
Effects of smelter pollutans on forest leaf litter decomposition near a nickel - copper smelter at Sudbury, Ontario. by B. Freedman and T.C. Hutchinson.
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Effects of smelter pollutans on forest leaf litter decomposition near a nickel - copper smelter at Sudbury, Ontario. by B. Freedman and T.C. Hutchinson.
Allan Bevan fonds
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Allan Bevan fonds
Photographs of Snow goose at Alexandra Fiord, Ellesmere Island
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Photographs of Snow goose at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Long-term effects of smelter pollution at Sudbury, Ontario, on forest community composition : [manuscript and correspondence]
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Long-term effects of smelter pollution at Sudbury, Ontario, on forest community composition : [manuscript and correspondence]
Variation in distribution and abundance of four sympatric species of snakes at Amherstburg, Ontario : [manuscript]
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Variation in distribution and abundance of four sympatric species of snakes at Amherstburg, Ontario : [manuscript]
Population trends of various species of birds wintering in southern Ontario : [manuscript]
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Population trends of various species of birds wintering in southern Ontario : [manuscript]
Intense, natural pollution affects Arctic tundra vegetation at the Smoking Hills, Canada : [manuscript and other materials]
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Intense, natural pollution affects Arctic tundra vegetation at the Smoking Hills, Canada : [manuscript and other materials]
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
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Photograph of a Snow goose nesting at Alexandra Fiord, Ellesmere Island
Survey of aquatic macrophytes in three lakes in Kejimkujik National Park, Nova Scotia : 1980 progress report : [draft manuscripts]
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Survey of aquatic macrophytes in three lakes in Kejimkujik National Park, Nova Scotia : 1980 progress report : [draft manuscripts]
Food and feeding behavior of sympatric snakes at Amherstburg, Ontario : [manuscript]
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Food and feeding behavior of sympatric snakes at Amherstburg, Ontario : [manuscript]
Terrestrial impacts of coal-fired power plants : [draft manuscript]
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Terrestrial impacts of coal-fired power plants : [draft manuscript]
Forestry management practices and populations of breeding birds in a hardwood forest in Nova Scotia : [manuscript and correspondence]
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Forestry management practices and populations of breeding birds in a hardwood forest in Nova Scotia : [manuscript and correspondence]
Survey of aquatic macrophytes in three lakes in Kejimkujik National Park, Nova Scotia : 1981 progress report : [draft manuscript]
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Survey of aquatic macrophytes in three lakes in Kejimkujik National Park, Nova Scotia : 1981 progress report : [draft manuscript]
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
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Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island