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  1. By: Shaw, Thomas H. (Thomas Howard) - Sargent, Michael L. (Michael Leroy) - Illinois State Geological Survey.
    Publication info: Champaign, Ill. :Illinois State Geological Survey,1989.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  2. By: Peppers, Russel Allen, - Harvey, Richard D. (Richard David), - Illinois State Geological Survey.
    Publication info: Champaign, Ill. :Dept. of Natural Resources, Illinois State Geological Survey,1997.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  3. By: Collinson, Charles William - Skartvedt, Romayne. - Illinois State Geological Survey.
    Publication info: Urbana, Ill. :Illinois State Geological Survey,1966.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  4. By: Leonard, A. Byron (Arthur Byron), - Frye, John Chapman, - Johnson, W. Hilton (William Hilton), - Illinois State Geological Survey.
    Publication info: Urbana, Ill. :Illinois State Geological Survey,1971.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  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: Holm, Nancy Peterson. - Morgan, Beth McArdle. - Illinois State Geological Survey.
    Publication info: Champaign, IL :Illinois State Geological Survey,[1988?]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  7. By: Illinois State Geological Survey. - Frye, John Chapman,
    Publication info: Urbana,1974.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  8. By: Kosanke, Robert M. (Robert Max) - Illinois State Geological Survey.
    Publication info: Urbana, Ill. :State Geological Survey,1950.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  9. By: Pfefferkorn, Hermann W. - Illinois. Dept. of Registration and Education. - Illinois State Geological Survey.
    Publication info: Urbana :Illinois State Geological Survey,1976.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  10. By: Illinois. Dept. of Natural Resources. - Illinois. Natural History Survey Division. - Illinois State Geological Survey.
    Publication info: Springfield, IL :Illinois Dept. of Natural Resources,1996-
    Holding Institution: University Library, University of Illinois Urbana Champaign
  11. By: Peppers, Russel A. (Russel Allen), - Illinois State Geological Survey.
    Publication info: Urbana, Ill. :Illinois State Geological Survey,1964.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  12. By: Levin, Geoffrey Arthur. - Illinois. Natural History Survey Division. - Illinois State Geological Survey. - University of Illinois at Urbana-Champaign. Department of Landscape Architecture. - University of Illinois at Urbana-Champaign. Department of Plant Biology.
    Publication info: Champaign, IL :Illinois Natural History Survey,©2002.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  13. By: Winslow, Marcia R. - Illinois State Geological Survey.
    Publication info: Urbana, Ill. :Illinois State Geological Survey,1959.
    Holding Institution: University Library, University of Illinois Urbana Champaign