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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]
Pollutant inputs from the atmosphere and accumulations in soils and vegetation near a nickel-copper smelter at Sudbury, Ontario, Canada : [manuscript and correspondence]
Long-term effects of smelter pollution at Sudbury, Ontario, on forest community composition : [manuscript and correspondence]
Long-term effects of smelter pollution at Sudbury, Ontario, on forest community composition : [manuscript and correspondence]
Evaluation of loading of sulphate and heavy metals along a S-SE transect centering on Sudbury, Ontario ; Evaluation of sulphate and heavy metal loading rates and total sulphation as affected by forest canopies near Sudbury, Ontario ; Effects of smelter emissions on surrounding forest plant communities near Sudbury, Ontario : [manuscript and correspondence]
Evaluation of loading of sulphate and heavy metals along a S-SE transect centering on Sudbury, Ontario ; Evaluation of sulphate and heavy metal loading rates and total sulphation as affected by forest canopies near Sudbury, Ontario ; Effects of smelter emissions on surrounding forest plant communities near Sudbury, Ontario : [manuscript and correspondence]
Smelter pollution near Sudbury, Ontario, Canada, and effects on forest litter decomposition :
Smelter pollution near Sudbury, Ontario, Canada, and effects on forest litter decomposition :
Variation in distribution and abundance of four sympatric species of snakes at Amherstburg, Ontario : [manuscript]
Variation in distribution and abundance of four sympatric species of snakes at Amherstburg, Ontario : [manuscript]
Movements of sympatric species of snakes at Amherstburg, Ontario : [manuscript]
Movements of sympatric species of snakes at Amherstburg, Ontario : [manuscript]
Food and feeding behavior of sympatric snakes at Amherstburg, Ontario : [manuscript]
Food and feeding behavior of sympatric snakes at Amherstburg, Ontario : [manuscript]
Population size and structure of four sympatric species of snakes at Amherstburg, Ontario : [manuscript]
Population size and structure of four sympatric species of snakes at Amherstburg, Ontario : [manuscript]
Melanistic Butler's garter snakes (Thamnophis butleri) at Amherstburg, Ontario : [manuscript]
Melanistic Butler's garter snakes (Thamnophis butleri) at Amherstburg, Ontario : [manuscript]
Population trends of various species of birds wintering in southern Ontario : [manuscript]
Population trends of various species of birds wintering in southern Ontario : [manuscript]
Population trends in water fowl wintering in the Toronto region, 1929-1976 : [manuscript]
Population trends in water fowl wintering in the Toronto region, 1929-1976 : [manuscript]
Waterfowl populations in the vicinity of the Leslie Street headland, Toronto, Ontario, October 1975 to September 1976 : [manuscript]
Waterfowl populations in the vicinity of the Leslie Street headland, Toronto, Ontario, October 1975 to September 1976 : [manuscript]
Effects of smelter pollutans on forest leaf litter decomposition near a nickel - copper smelter at Sudbury, Ontario. by B. Freedman and T.C. Hutchinson.
Effects of smelter pollutans on forest leaf litter decomposition near a nickel - copper smelter at Sudbury, Ontario. by B. Freedman and T.C. Hutchinson.
Notes relating to a lecture on Haliburton acid rain
Notes relating to a lecture on Haliburton acid rain
Photograph of Slim Massey, Archibald ("Grey Owl") Belaney, and William Draper in Bisco, Ontario, in the winter
Photograph of Archibald ("Grey Owl") Belaney holding a drum with James Espaniel and Gordon Longevin, all wearing Indigenous costume
Photograph of Grey Owl with Jack Miner and two unnamed women holding birds at Miner's bird sanctuary in Kingsville, Ontario
Photograph of sparse mugwort (Artemesia) growing at a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of a eight months of vegetation regrowth at a small controlled site at Nickel Rim, near Sudbury, Ontario
Photograph of red-stained roast bed remnants and hillside tree recovery at Nickel Rim, near Sudbury, Ontario
Photograph of vegetation at Richard Lake, 12 kilometres from the Inco superstack at Copper Cliff, near Sudbury, Ontario
Photograph of an unidentified person examining tailings piles at Copper Cliff, near Sudbury, Ontario
Photograph of controlled stinkweed (Artemisia tilesii) regrowth in a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of controlled stinkweed (Artemisia tilesii) regrowth in a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of an unidentified person standing in a growth of common reed (Phragmites communis) at Coniston, near Sudbury, Ontario
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