Showing 169 results
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Photograph of Grey Owl with Jack Miner and two unnamed women holding birds at Miner's bird sanctuary in Kingsville, Ontario
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]
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]
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]
Notes relating to a lecture on Haliburton acid rain
Notes relating to a lecture on Haliburton acid rain
Photograph of a eight months of vegetation regrowth at a small controlled site at Nickel Rim, near Sudbury, Ontario
Photograph of controlled stinkweed (Artemisia tilesii) regrowth in a tailings site at Nickel Rim, near Sudbury, Ontario
Photographs of Sudbury scenes
Photographs of Sudbury scenes
Photograph of a receding receiving pond showing iron precipitate pollution at Nickel Rim site, near Sudbury, Ontario
Photograph of Wood horsetail (Equisetum sylvaticum) spreading at the Richard Lake site, near Sudbury, Ontario
Photograph of an unidentified person standing amid barren trees at the Falconbridge site, near Sudbury, Ontario
Photograph of Creeping bentgrass (Agrostis stolonifera) near slag heaps at the Coniston site, near Sudbury, Ontario
Photograph of Tom Hutchinson and another unidentified researcher examining tailings at the Copper Cliff site, near Sudbury, Ontario
Photograph of the revegetation of a former tailings area near the Inco Superstack at the Copper Cliff site, near Sudbury, Ontario
Photograph of unidentified researchers standing at the base of slag heaps at the Coniston site, near Sudbury, Ontario
Photograph of mixed forest along a highway 35 kilometres from the Copper Cliff site, near Sudbury, Ontario
Photograph of wideleaf polargrass (Arctagrostis latifolia) growing in a slag heap at a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of controlled plant growth with slag heap material at a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of an unidentified person standing in a birch transition zone near Sudbury mining facilities
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