. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. AIR QUALITY TRENDS IN ILLINOIS. ^^i^ / *26 Y"'' c / / / .• ' "^"f" ^ ' ' \. 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 Na

---

. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. AIR QUALITY TRENDS IN ILLINOIS. ^^i^ / *26 Y"'' c / / / .• ' "^"f" ^ ' ' \. 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

---

Size: 1223px × 2043px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, booksubjecte, booksubjectecology, booksubjectman