Who was Barbara Mitchell?
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water quality

July 16, 2013 2:00AM

Canadian Environmental Indicators - Water
Joel Wood
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environment, water quality, environmental indicators, canadian environment, freshwater resources, canadas water resources, rivers and lakes, water pollution levels, great lakes
January 22, 2007 2:00AM

Water and Wastewater Treatment in Canada: Tapping into Private-Sector Capital, Expertise, and Efficiencies
Elizabeth Brubaker
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water treatment, wastewater treatment, water, water quality
April 21, 2004 2:00AM

Environmental Indicators (Sixth Edition)
Kenneth P. Green
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environment, environmental quality, air quality, water quality, land use, solid waste
April 1, 1999 1:00AM

Environmental Indicators for North America and the United Kingdom, 1999
Laura Jones
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environment, environmental quality, air quality, water quality, solid waste, land use
April 1, 1998 1:00AM

Environmental Indicators for Canada and the United States (1998)
Laura Jones
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environment, environmental quality, air quality, water quality, solid waste, land use
March 1, 1997 2:00AM

Environmental Indicators for Canada and the United States
Boris DeWiel
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environment, environmental quality, air quality, water quality, land use, solid waste