. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. CLIMATE TRENDS IN ILLINOIS 280. 'l901 1911 1921 1931 1941 1951 1961 1971 1981 YEARS Figure 37. Average number of days with thunderstorms per five years (plotted on first of the five years) for Chicago and Peoria. on ^ 320 (^ 295: w >2 270- < Q O I 220; % 195- 170. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colora
. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. CLIMATE TRENDS IN ILLINOIS 280. 'l901 1911 1921 1931 1941 1951 1961 1971 1981 YEARS Figure 37. Average number of days with thunderstorms per five years (plotted on first of the five years) for Chicago and Peoria. on ^ 320 (^ 295: w >2 270- < Q O I 220; % 195- 170. 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
