. Critical trends assessment Program 2002 report. Critical Trends Assessment Project; Ecosystem management; Environmental monitoring; Natural resources surveys. D\>Mfl aWidf^ â¡V>ideJ â \Vldr4 â Wklrf. Figure 8. CTAP stream sampling mean overall percentile score by basin and stream width codes (increasing integer = increasing stream width) Very Poor 17% Good 12%. 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 Illinoi


. Critical trends assessment Program 2002 report. Critical Trends Assessment Project; Ecosystem management; Environmental monitoring; Natural resources surveys. D\>Mfl aWidf^ â¡V>ideJ â \Vldr4 â Wklrf. Figure 8. CTAP stream sampling mean overall percentile score by basin and stream width codes (increasing integer = increasing stream width) Very Poor 17% Good 12%. 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; Illinois. Natural History Survey Division; Critical Trends Assessment Project. [Illinois] : Illinois Dept. of Energy and Natural Resources, Office of Realty and Environmental Palnning : Office of Scientific Research and Analysis, Natural History Survey Division


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