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By: Cummings, Kevin S. - Mayer, Christine A.Edition:Publication info: Champaign, IL, Illinois Natural History Survey, 1992Volume: Manual no.5 (1992)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections:
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By: Forbes, Stephen Alfred, - Mayer, Christine A. - Methven, K. - Phillippe, Loy R.Edition:Publication info: [Champaign, Ill.], Illinois Natural History Survey, [1994]Volume:Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections: