Photograph of an oiled blue-winged teal at Alexandria Bay, New York
Photograph of oil along the shore at Alexandria Bay, New York
Photograph of oil and cladophora along the shore at Alexandria Bay, New York
Photograph of oil invading a marshy embayment at Alexandria Bay, New York
Photograph of an oil pollution control tanker truck at Alexandria Bay, New York
Photograph of oil along the shore at Alexandria Bay, New York
Photograph of oil along the shore, affecting Salix babylonica, at Alexandria Bay, New York
Photograph of a researcher examining weathered crude oil at Alexandria Bay, New York
Photograph of a docked "slick licker" at Alexandria Bay, New York
Photograph of weathered crude oil affecting Corex at Alexandria Bay, New York
Photograph of an oiled boat at Alexandria Bay, New York
Photographs of the area around Smoking Hills, Northwest Territories
Photographs of the area around Smoking Hills, Northwest Territories
Transparencies of Tuktoyaktuk spill vegetation recovery
Transparencies of Tuktoyaktuk spill vegetation recovery
Photographs of vegetation and scenery at Smoking Hills and Horton River, Northwest Territories
Photographs of vegetation and scenery at Smoking Hills and Horton River, Northwest Territories
Photographs of acid rain evidence at Killarney, Ontario
Photographs of acid rain evidence at Killarney, Ontario
Photographs of forestry scenes on Vancouver Island, British Columbia
Photographs of forestry scenes on Vancouver Island, British Columbia
Photographs of forest and flora near Thompson, Manitoba
Photographs of forest and flora near Thompson, Manitoba
Photographs of snakes at Amherstburg, Ontario, and the Allegheny Plateau, New York
Photographs of snakes at Amherstburg, Ontario, and the Allegheny Plateau, New York
Photographs of glaciers, snow-fields, and semi-deserts at Alexandra Fiord, Ellesmere Island
Photographs of glaciers, snow-fields, and semi-deserts at Alexandra Fiord, Ellesmere Island
Photographs of research equipment and infrastructure, Alexandra Fiord, Ellesmere Island
Photographs of research equipment and infrastructure, Alexandra Fiord, Ellesmere Island
Photographs of the scenery and flora at Fiona Lake, Somerset Island
Photographs of the scenery and flora at Fiona Lake, Somerset Island
Photographs of the geology and flora of Sverdrup Pass, Ellesmere Island
Photographs of the geology and flora of Sverdrup Pass, Ellesmere Island
Transparencies of forestry cartoons serving as teaching aids
Transparencies of forestry cartoons serving as teaching aids
Photographs of birds around Tuktoyaktuk, Northwest Territories
Photographs of birds around Tuktoyaktuk, Northwest Territories
Photographs of forestry and agriculture in western Sumatra and Borneo
Photographs of forestry and agriculture in western Sumatra and Borneo
Photographs of flora and fauna near Jasper, Alberta
Photographs of flora and fauna near Jasper, Alberta
Photographs of endangered plants
Photographs of endangered plants
Photographs of flora at Lake Joseph and Parry Sound, Ontario
Photographs of flora at Lake Joseph and Parry Sound, Ontario
Photographs of flora at Camp Naivelt, Brampton, Ontario
Photographs of flora at Camp Naivelt, Brampton, Ontario
Photographs of flora at Crawford Lake, Burlington, Ontario
Photographs of flora at Crawford Lake, Burlington, Ontario
Photographs of flora and fungi along the Magnetawan River, Ontario
Photographs of flora and fungi along the Magnetawan River, Ontario
Photographs of flora and scenery at Tuktoyaktuk
Photographs of flora and scenery at Tuktoyaktuk
Photograph of Bill Freedman using binoculars on Brier Island, Nova Scotia
Photograph of Bill Freedman using binoculars on Brier Island, Nova Scotia
Photograph of coastline of Brier Island, Nova Scotia
Photograph of Bill Freedman and others at Brier Island, Nova Scotia
Photograph of Northern Light at Brier Island, Nova Scotia
Photograph of coastline of Brier Island, Nova Scotia
Photograph of geological formations on the coast of Brier Island, Nova Scotia
Photograph of Bill Freedman and others at Brier Island, Nova Scotia
Photograph of researchers at Brier Island, Nova Scotia
Photograph of the village of Westport, Brier Island, Nova Scotia
Photograph of an herbicide-spraying helicopter at Brier Island, Nova Scotia
Photograph of an herbicide-spraying helicopter at Brier Island, Nova Scotia
Photograph of a helicopter spraying Glyphosate at Brier Island, Nova Scotia
Photograph of a helicopter spraying Glyphosate at Brier Island, Nova Scotia
Photograph of a helicopter spraying Glyphosate at Brier Island, Nova Scotia
Photograph of a helicopter spraying Glyphosate at Brier Island, Nova Scotia
Photograph of a helicopter spraying Glyphosate at Brier Island, Nova Scotia
Photograph of a helicopter spraying Glyphosate at Brier Island, Nova Scotia
