. Bulletin. Natural history; Natural history. Illinois Natural History Survey Bulletlv Vol. 33, Art. 1 NATURAL DIVISIONS OF on collecting in unique areas within ILLINOIS the state. Fig. 1 illustrates the natural divisions of Illinois based upon the In studying the tabanid fauna of features of topography, soil type, bed- Illinois, we placed particular emphasis rock type, glacial history, and the dis- m- Soulhsm TitI Plain Division Wabash Border Division. I = Wisconsin Driflless Division Roch River Hill Country Division Nonheastem MorainsI Division ;'.] = Lower Mississippi River Bottomlands D
. Bulletin. Natural history; Natural history. Illinois Natural History Survey Bulletlv Vol. 33, Art. 1 NATURAL DIVISIONS OF on collecting in unique areas within ILLINOIS the state. Fig. 1 illustrates the natural divisions of Illinois based upon the In studying the tabanid fauna of features of topography, soil type, bed- Illinois, we placed particular emphasis rock type, glacial history, and the dis- m- Soulhsm TitI Plain Division Wabash Border Division. I = Wisconsin Driflless Division Roch River Hill Country Division Nonheastem MorainsI Division ;'.] = Lower Mississippi River Bottomlands Division Western Forest-Prairie Division Middle Mississippi Border Division Coastal Plain Division 2 = G'B'^d Prairie Dl Ozark Division Fig. 1.—The natural divisions of Illinois. (Redrawn from Schwegman 1973). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
