. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. ES LE -51 KX-1 -50 to -6 -5 Ot 5 GE 6. V//A NO DATA Figure 12. Percent change in acres of hay in Illinois counties, 1964 to 1987. Source: Department of Commerce, Bureau of the Census. Figure 13. Percent change in acres of wheat in Illinois counties, 1964 to 1987. Source: Department of Commerce, Bureau of the Census. 100 90 - 80 - 70 - 60 - ^ 50 - 40 30 ^ 20 10 0 f^ 1945 1950 1955 1960 1965
. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. ES LE -51 KX-1 -50 to -6 -5 Ot 5 GE 6. V//A NO DATA Figure 12. Percent change in acres of hay in Illinois counties, 1964 to 1987. Source: Department of Commerce, Bureau of the Census. Figure 13. Percent change in acres of wheat in Illinois counties, 1964 to 1987. Source: Department of Commerce, Bureau of the Census. 100 90 - 80 - 70 - 60 - ^ 50 - 40 30 ^ 20 10 0 f^ 1945 1950 1955 1960 1965 1970 1975 1980 Figure 14. Percentage of cropland tilled in the fall in Illinois in recent decades. Source: Illinois Department of Agriculture. 74. 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: 1252px × 1996px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, booksubjecte, booksubjectecology, booksubjectman
