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  1. By: Suloway, Liane B. - Brown, Patrick W. - Joselyn, Mark G. - Illinois. Dept. of Natural Resources.
    Publication info: Springfield, Ill. :Illinois Department of Natural Resources with assistance from the Nature of Illinois Foundation,1996.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  2. By: Illinois. Dept. of Natural Resources. - Illinois State Geological Survey. - Illinois. Natural History Survey Division.
    Publication info: Springfield, IL :Illinois Dept. of Natural Resources,1996-
    Holding Institution: University Library, University of Illinois Urbana Champaign
  3. By: Stoeckel, Denise B. - Blodgett, K. Douglas - Sparks, Richard E. - Illinois. Center for Aquatic Ecology. - Illinois. Dept. of Natural Resources.
    Publication info: Champaign, Ill. :Illinois Natural History Survey,Jan. 1997.
    Holding Institution: Lewis & Clark Community College / NGRREC (archive.org)
  4. By: Koel, Todd Marvin. - Illinois. Dept. of Natural Resources. - Illinois. LTRMP Havana Field Station. - Illinois. Natural History Survey Division. LTRMP Havana Field Station.
    Publication info: Havana, Ill. :Illinois Natural History Survey, Illinois River Biological Station,1997.
    Holding Institution: Lewis & Clark Community College / NGRREC (archive.org)
  5. By: Illinois. Dept. of Natural Resources. Office of Scientific Research and Analysis. - Critical Trends Assessment Project. - Illinois State Geological Survey. - Illinois. Dept. of Natural Resources.
    Publication info: Springfield, Ill. :Illinois Dept. of Natural Resources,1998-
    Holding Institution: University Library, University of Illinois Urbana Champaign
  6. By: Illinois. Dept. of Natural Resources.
    Publication info: [Springfield, Ill.] :Illinois Dept. of Natural Resources,[2001]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  7. By: Illinois. Dept. of Natural Resources. - Critical Trends Assessment Project. - Illinois. Natural History Survey Division. - Illinois. Office of Realty and Environmental Planning.
    Publication info: Springfield, Ill. :Illinois Dept. of Natural Resources,2002.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  8. By: Illinois. Dept. of Natural Resources.
    Publication info: [Springfield, Ill.] :Illinois Dept. of Natural Resources,[2007]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  9. By: Illinois. Dept. of Natural Resources. - Illinois. Natural History Survey Division.
    Publication info: Champaign, Ill. :Illinois Natural History Survey,2007.
    Holding Institution: University Library, University of Illinois Urbana Champaign