. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. Figure 10. Percent change in acres of corn in Illinois counties, 1964 to 1987. Source: Department of Commerce, Bureau of the Vffi\ NO DATA Figure II. Percent change in acres of oats in Illinois counties. 1964 to 1987. Source: Department of Commerce, Bureau of the Census. 73. Please note that these images are extracted from scanned page images that may have been digitally enhanced
. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. Figure 10. Percent change in acres of corn in Illinois counties, 1964 to 1987. Source: Department of Commerce, Bureau of the Vffi\ NO DATA Figure II. Percent change in acres of oats in Illinois counties. 1964 to 1987. Source: Department of Commerce, Bureau of the Census. 73. 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
