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  1. By: Sparks, Richard E. - Blodgett, K. Douglas (Kevin Douglas), - Illinois. Center for Aquatic Ecology. - Forbes Biological Station (Havana, Ill.)
    Publication info: Havana, Ill, Illinois Natural History Survey, River Research Laboratory of the Forbes Biological Station, 1991
    Holding Institution: Lewis & Clark Community College / NGRREC
  2. By: Sparks, Richard E. - Blodgett, K. Douglas (Kevin Douglas), - Illinois. Natural History Survey Division - National Great Rivers Research and Education Center - NGRREC.
    Holding Institution: Lewis & Clark Community College / NGRREC
  3. By: Whitney, Scott D - Blodgett, K. Douglas (Kevin Douglas), - Sparks, Richard E - ILLINOIS NATURAL HISTORY SURVEY HAVANARIVER RESEARCH LAB.
    Publication info: Ft. Belvoir, Defense Technical Information Center, OCT 1997
    Holding Institution: Lewis & Clark Community College / NGRREC
  4. By: Sparks, Richard E. - Blodgett, K. Douglas (Kevin Douglas),
    Publication info: Havana, Ill, River Research Laboratory, 1985
    Holding Institution: Lewis & Clark Community College / NGRREC
  5. By: Sparks, Richard E. - Blodgett, K. Douglas (Kevin Douglas), - Illinois. Aquatic Biology Section. - Illinois. Natural History Survey Division. Aquatic Biology Section. - Illinois. Natural History Survey Division. River Research Laboratory. - National Great Rivers Research and Education Center - NGRREC.
    Publication info: Havana, Ill, Illinois Natural History Survey, River Research Laboratory, 1983
    Holding Institution: Lewis & Clark Community College / NGRREC
  6. By: Stoeckel, Denise B. - Blodgett, K. Douglas (Kevin 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