. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. —I—I—I—I—I—1—r Remainder of state o o trttl w @ @ N:18 17 17 16 17 16 16 16 16 16 17 17 17 1 I r I I I t I I t t 1 I 78 79 80 81 82 83 84 85 86 87 88 89 90 Year Figure 9. Trends in 24-hr maximum SO^ concentrations in Illinois. E o. a. c o 'To +-» c 0) o c o o 1—I—I—I—I—r -1—I—I—I—I—r Whole state. N:52 52 39 25 27 29 27 29 27 26 26 27 26 I I I I I I 1 I I I I I L_ T 1 1
. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. —I—I—I—I—I—1—r Remainder of state o o trttl w @ @ N:18 17 17 16 17 16 16 16 16 16 17 17 17 1 I r I I I t I I t t 1 I 78 79 80 81 82 83 84 85 86 87 88 89 90 Year Figure 9. Trends in 24-hr maximum SO^ concentrations in Illinois. E o. a. c o 'To +-» c 0) o c o o 1—I—I—I—I—r -1—I—I—I—I—r Whole state. N:52 52 39 25 27 29 27 29 27 26 26 27 26 I I I I I I 1 I I I I I L_ T 1 1 1 1 1 1 1 1 1 1 1 I Chicago area / Standard. 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
