. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. PRAIRIES Wisconsin Driftless Division Rock River Hill Country Division a Freeport Section b Oregon Section Northeastern Moramal Division a Moramal Section b Lake Michigan Dunes Section c Chicago Lake Plain Section d Winnebago Drift Section Grand Prairie Division a Grand Prairie Section b Springfield Section c Western Section d Green River Lowland Section e Kankakee Sand Area Section Upper Mississipp
. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. PRAIRIES Wisconsin Driftless Division Rock River Hill Country Division a Freeport Section b Oregon Section Northeastern Moramal Division a Moramal Section b Lake Michigan Dunes Section c Chicago Lake Plain Section d Winnebago Drift Section Grand Prairie Division a Grand Prairie Section b Springfield Section c Western Section d Green River Lowland Section e Kankakee Sand Area Section Upper Mississippi River and Illinois River Bottomlands Division a Illinois River Section b Mississippi River Section Illinois River and Mississippi River Sand Areas Division a Illinois River Section b Mississippi River Section Western Forest-Prairie Division a Galesburg Section b Carlinville Section Middle Mississippi Border Division a Glaciated Section b Driftless Section 9 | Southern Till Plain Division a Effingham Plain Section b Mt Vernon Hill Country Section 10 ] Wabash Border Division a Bottomlands Section b Southern Uplands Section c Vermilion River Section 12 13 U Oiark Division a Northern Section b Central Section c Southern Section Lower Mississippi River Bottomlands a Northern Section b Southern Section Shawnee Hills Division a Greoter Shawnee Hills Section b Lesser Shawnee Hills Section Coastal Plain Division a Cretaceous Hills Section b Bottomlands Section. Figure 7. The natural divisions of Illinois (reprinted 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. Dept. of Energy and Natural Resources; Critical Trends Assessment Project. Springfield, Ill. : Ill. Dept. of Energy and Natural Resources
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Keywords: ., bookcentury1900, booksubjecte, booksubjectecology, booksubjectman