Sort By:
  1. The Changing Illinois environment : critical trends : summary report of the Critical Trends Assessment Project.
    By: Illinois. - Nature of Illinois Foundation.
    Publication info: [Springfield, Ill.?] :Ill. Dept. of Energy and Natural Resources, the Nature of Ill. Foundation,1994.
    Contributed by: University of Illinois Urbana Champaign
    View Book
  2. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project.
    By: Critical Trends Assessment Project. - Illinois.
    Publication info: Springfield, Ill. :Ill. Dept. of Energy and Natural Resources,1994.
    Contributed by: University of Illinois Urbana Champaign
    View Book
  3. Characterization of urban and rural inhalable particulates /
    By: Gatz, Donald F. - Chu, Lih-Ching. - Wiley, Susan T. - Illinois.
    Publication info: [Springfield, Ill.] :Illinois Dept. of Energy and Natural Resources,[1983]
    Contributed by: University of Illinois Urbana Champaign
    View Book
  4. Comparison of inhalable particulate and total suspended particulate /
    By: Muggli, Robert Z. - Illinois.
    Publication info: [Springfield, Ill.] :Illinois Dept. of Energy and Natural Reources,[1983]
    Contributed by: University of Illinois Urbana Champaign
    View Book
  5. Creation of wetland habitats in northeastern Illinois /
    By: Hey, Donald L. - Illinois.
    Publication info: [Springfield, Ill.] :Illinois Dept. of Energy and Natural Resources,[1982]
    Contributed by: University of Illinois Urbana Champaign
    View Book
  6. 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
    View Book
  7. Critical trends assessment Program 2002 report
    By: Illinois. - Critical Trends Assessment Project.
    Publication info: [Illinois] :Illinois Dept. of Energy and Natural Resources, Office of Realty and Environmental Palnning :2002
    Contributed by: University of Illinois Urbana Champaign
    View Book
  8. Critical trends assessment Program 2003-04 report
    By: Illinois. - Critical Trends Assessment Project.
    Publication info: [Illinois] :Illinois Dept. of Natural Resources, Office of Realty and Environmental Palnning :Dec. 2004
    Contributed by: University of Illinois Urbana Champaign
    View Book
  9. Identification of toxic substances in the upper Illinois River : final report /
    By: Sparks, Richard E. - Ross, Philippe E. - Illinois.
    Publication info: Springfield, Ill. (325 W. Adams St., Springfield 62704-1892) :The Dept.,[1992]
    Contributed by: Lewis & Clark Community College / NGRREC
    View Book
  10. 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.
    Publication info: Springfield, Ill. :Illinois Dept. of Energy and Natural Resources, Energy and Environmental Affairs Division,[1986]
    Contributed by: University of Illinois Urbana Champaign
    View Book
  11. Relative effects of chlorine and ammonia from wastewater treatment facilities on stream biota /
    By: Heidinger, Roy C. - Lewis, William M. - Illinois.
    Publication info: Springfield, Ill. :Illinois Dept. of Energy and Natural Resources,[1983].
    Contributed by: University of Illinois Urbana Champaign
    View Book