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  1. The Changing Illinois environment : critical trends : summary report of the Critical Trends Assessment Project.
    By: Illinois. Dept. of Energy and Natural Resources. - Nature of Illinois Foundation.
    Publication info: [Springfield, Ill.?] :Ill. Dept. of Energy and Natural Resources, the Nature of Ill. Foundation,1994.
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  2. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project.
    By: Critical Trends Assessment Project. - Illinois. Dept. of Energy and Natural Resources.
    Publication info: Springfield, Ill. :Ill. Dept. of Energy and Natural Resources,1994.
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  3. Characterization of urban and rural inhalable particulates /
    By: Gatz, Donald F. - Chu, Lih-Ching. - Wiley, Susan T. - Illinois. Dept. of Energy and Natural Resources.
    Publication info: [Springfield, Ill.] :Illinois Dept. of Energy and Natural Resources,[1983]
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  4. Comparison of inhalable particulate and total suspended particulate /
    By: Muggli, Robert Z. - Illinois. Dept. of Energy and Natural Resources.
    Publication info: [Springfield, Ill.] :Illinois Dept. of Energy and Natural Reources,[1983]
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  5. Creation of wetland habitats in northeastern Illinois /
    By: Hey, Donald L. - Illinois. Dept. of Energy and Natural Resources.
    Publication info: [Springfield, Ill.] :Illinois Dept. of Energy and Natural Resources,[1982]
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  6. Critical trends assessment : the Illinois environment, past, present and future
    By: Illinois. Dept. of Energy and Natural Resources.
    Publication info: [Springfield, Ill.?] :Ill. Dept. of Energy and Natural Resources,[1990?]
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  7. Critical trends assessment Program 2002 report
    By: Illinois. Dept. of Energy and Natural Resources. - Critical Trends Assessment Project. - Illinois. Natural History Survey Division.
    Publication info: [Illinois] :Illinois Dept. of Energy and Natural Resources, Office of Realty and Environmental Palnning :2002
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  8. Critical trends assessment Program 2003-04 report
    By: Illinois. Dept. of Energy and Natural Resources. - Critical Trends Assessment Project. - Illinois. Natural History Survey Division.
    Publication info: [Illinois] :Illinois Dept. of Natural Resources, Office of Realty and Environmental Palnning :Dec. 2004
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  9. Optimal chelant/copper ratios for maximizing copper solubility in natural water using citric acid and triethanolamine /
    By: Cook, Billy K. - Raman, Raman K. - Illinois State Water Survey. - Illinois. Dept. of Energy and Natural Resources.
    Publication info: Springfield, Ill. :Illinois Dept. of Energy and Natural Resources, Energy and Environmental Affairs Division,[1986]
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  10. Relative effects of chlorine and ammonia from wastewater treatment facilities on stream biota /
    By: Heidinger, Roy C. - Lewis, William M. (William Madison), - Illinois. Dept. of Energy and Natural Resources.
    Publication info: Springfield, Ill. :Illinois Dept. of Energy and Natural Resources,[1983].
    Holding Institution: University Library, University of Illinois Urbana Champaign
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