. The Acidification of Ontario lakes : an assessment of their sensitivity and current status with respect to biological damage. Acid pollution of rivers, lakes, etc; Acid rain. CD C o Q. E D in D C U Q_ 50 40 30|- 20 10 Zone 1 n=243 ^3_. 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 Neary, B. P; Ontario. Ministry of the Environment. [Toronto] : Environment Ontario

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