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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]
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]
Smelter pollution near Sudbury, Ontario, Canada, and effects on forest litter decomposition :
Smelter pollution near Sudbury, Ontario, Canada, and effects on forest litter decomposition :
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]
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]
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]
Photographs of tailings sites around Sudbury
Photographs of tailings sites around Sudbury
Photographs of Sudbury scenes
Photographs of Sudbury scenes
Photograph showing the pouring of molten slag at Copper Cliff, near Sudbury, Ontario
Photograph showing the pouring of molten slag at Copper Cliff, near Sudbury, Ontario
Photograph showing scenery between the Richard Lake and Coniston sites, near Sudbury, Ontario
Photograph of wooden tailings pipes at the Copper Cliff site, near Sudbury, Ontario
Photograph of wooden corrosion-resistant tailing slurry pipes, Copper Cliff, near Sudbury, Ontario
Photograph of Wood horsetail (Equisetum sylvaticum) spreading at the Richard Lake 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 White birch (Betula papyrifera) three kilometres away from the Copper Cliff site, near Sudbury, Ontario
Photograph of white birch at Richard Lake, near Sudbury, Ontario
Photograph of vegetation regrowth at a 50-year-old roast bed site, near Sudbury, Ontario
Photograph of vegetation at Richard Lake, 12 kilometres from the Inco superstack at Copper Cliff, near Sudbury, Ontario
Photograph of unidentified researchers standing at the base of slag heaps at the Coniston site, near Sudbury, Ontario
Photograph of two unidentified researchers examining a roast bed at the Falconbridge site, near Sudbury, Ontario
Photograph of tufted hair grass (Deschampsia caespitosa) at the Coniston site, near Sudbury, Ontario
Photograph of tufted hair grass (Deschampsia caespitosa) at Coniston site, near Sudbury, Ontario
Photograph of tufted hair grass (Deschampsia caespitosa) and creeping bent grass (Agrostis stolonifera) at the Coniston site, near Sudbury, Ontario
Photograph of Tom Hutchinson standing amid slag heaps at Coniston, near Sudbury, Ontario
Photograph of Tom Hutchinson standing amid a birch stand, 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 the revegetation of a former tailings area near the Inco Superstack at the Copper Cliff site, near Sudbury, Ontario
Photograph of the revegetation of a former tailings area at the Copper Cliff site, near Sudbury, Ontario
Photograph of the revegetation of a former tailings area at the Copper Cliff site, near Sudbury, Ontario
Photograph of the revegetation of a former tailings area at the Copper Cliff site, near Sudbury, Ontario
Photograph of the pouring of molten slag at the Copper Cliff site, near Sudbury, Ontario
Photograph of the Inco Superstack, Copper Cliff site, near Sudbury, Ontario
Photograph of the Inco Superstack at the Copper Cliff site, near Sudbury, Ontario
Photograph of the Inco superstack as seen from the Coniston site, near Sudbury, Ontario
Photograph of tailings plant growth experiments without using a gravel base, Nickel Rim, near Sudbury, Ontario
Photograph of tailings growing trials with a gravel base at the Nickel Rim site, Falconbridge, near Sudbury, Ontario
Photograph of sulfur dioxide damage to red pine (Pinus resinosa) at Richard Lake, near Sudbury, Ontario
Photograph of sulfur dioxide damage to red maple (Acer rubrum) at the Copper Cliff site, near Sudbury, Ontario
Photograph of Staghorn sumac (Rhus typhina) at Wanapitei River, near Sudbury, Ontario
Photograph of Staghorn sumac (Rhus typhina) at Wanapitei River, near Sudbury, Ontario
Photograph of sparse vegetation regrowth at a tailings site at Copper Cliff, near Sudbury, Ontario
Photograph of sparse mugwort (Artemesia) growing at a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of Slim Massey, Archibald ("Grey Owl") Belaney, and William Draper in Bisco, Ontario, in the winter
Photograph of slag heaps on the shore of Coniston Creek, Coniston site, near Sudbury, Ontario
Photograph of slag heaps on the north side of Kelly Lake, Copper Cliff site, near Sudbury, Ontario
Photograph of slag heaps near the lakeshore at the Coniston site, near Sudbury, Ontario
Photograph of slag heaps near the Coniston site, near Sudbury, Ontario
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