. Critical Trends Assessment Program : 2001 report. Ecosystem management; Environmental monitoring; Natural resources surveys. 300 250 200 & 150. 100-^ 60 cm cm cm cm cm cm Ijljlii Sugar Maple ^Oaks H Hickories Figure 7. High-level maple takeover in Pope County 41. 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 Natural Resources; Illinois. Office of Realty and Environmental Planning; Illinois. Natura
. Critical Trends Assessment Program : 2001 report. Ecosystem management; Environmental monitoring; Natural resources surveys. 300 250 200 & 150. 100-^ 60 cm cm cm cm cm cm Ijljlii Sugar Maple ^Oaks H Hickories Figure 7. High-level maple takeover in Pope County 41. 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 Natural Resources; Illinois. Office of Realty and Environmental Planning; Illinois. Natural History Survey Division; Critical Trends Assessment Project. Springfield, Ill. : Illinois Dept. of Natural Resources
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