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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
Photographs of Parasitic jaeger at Alexandra Fiord, Ellesmere Island
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Photographs of Parasitic jaeger at Alexandra Fiord, Ellesmere Island
Photographs of the flora, fauna, and buildings on Sable Island, Nova Scotia
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Photographs of the flora, fauna, and buildings on Sable Island, Nova Scotia
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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 two eggs 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 an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
Comparison of measurements of the standing crops of biomass and nutrients in a conifer stand in Nova Scotia : [manuscript and other materials]
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Comparison of measurements of the standing crops of biomass and nutrients in a conifer stand in Nova Scotia : [manuscript and other materials]
Preliminary observations of breeding birds and vegetation in a post-clearcutting secondary succession in a hardwood forest in Nova Scotia : [draft manuscript and other materials]
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Preliminary observations of breeding birds and vegetation in a post-clearcutting secondary succession in a hardwood forest in Nova Scotia : [draft manuscript and other materials]
Seed banks and seedling occurrence in a high Arctic oasis at Alexandra Fjord, Ellesmere Island, Canada : [manuscript and correspondence]
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Seed banks and seedling occurrence in a high Arctic oasis at Alexandra Fjord, Ellesmere Island, Canada : [manuscript and correspondence]
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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 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
Photographs of Collared lemming at Alexandra Fiord, Ellesmere Island
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Photographs of Collared lemming at Alexandra Fiord, Ellesmere Island
Trace elements and organics associated with coal combustion in power plants : emissions and environmental impacts : [manuscript and correspondence]
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Trace elements and organics associated with coal combustion in power plants : emissions and environmental impacts : [manuscript and correspondence]
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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 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 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
Sources and consequences of acid rain in Nova Scotia : [manuscript]
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Sources and consequences of acid rain in Nova Scotia : [manuscript]
Nickel on Canadian soils and vegetation : [manuscript and correspondence]
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Nickel on Canadian soils and vegetation : [manuscript and correspondence]
Macrophyte communities in three lakes in Kejimkujik National Park : [draft manuscripts]
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Macrophyte communities in three lakes in Kejimkujik National Park : [draft manuscripts]
Pollution by arsenic in a gold-mining district in Nova Scotia : [manuscript]
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Pollution by arsenic in a gold-mining district in Nova Scotia : [manuscript]