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  1. Critical trends assessment : the Illinois environment, past, present and future
    By: Illinois.
    Publication info: [Springfield, Ill.?] :Ill. Dept. of Energy and Natural Resources,[1990?]
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Critical Trends Assessment Project  Environmental impact analysis  Illinois  
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  2. Critical trends assessment Program 2002 report
    By: Illinois. - Critical Trends Assessment Project. - Illinois.
    Publication info: [Illinois] :Illinois Dept. of Energy and Natural Resources, Office of Realty and Environmental Palnning :2002
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Critical Trends Assessment Project  Ecosystem management  Environmental monitoring  Illinois  Natural resources surveys  
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  3. Critical trends assessment Program 2003-04 report
    By: Illinois. - Critical Trends Assessment Project. - Illinois.
    Publication info: [Illinois] :Illinois Dept. of Natural Resources, Office of Realty and Environmental Palnning :Dec. 2004
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Critical Trends Assessment Project  Ecosystem management  Environmental monitoring  Illinois  Natural resources surveys  
    View Book