. Annual program report, 1990. Acidic Precipitation in Ontario Study; Acid precipitation (Meteorology); Acid pollution of rivers, lakes, etc; Acid rain. 03 a> 5 1 r. J I L J L 81 82 83 84 85 86 87 88 89 90 Yoar Figure 18a Trend in pH in Bowland Lake O CO O -^ 'c "c6 I o 1 1 1 1 1 1 1 1 81 82 83 84 85 86 87 88 89 90 Year Figure 18b Trend in Alkalinity in Bowland Lake 36. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illust
. Annual program report, 1990. Acidic Precipitation in Ontario Study; Acid precipitation (Meteorology); Acid pollution of rivers, lakes, etc; Acid rain. 03 a> 5 1 r. J I L J L 81 82 83 84 85 86 87 88 89 90 Yoar Figure 18a Trend in pH in Bowland Lake O CO O -^ 'c "c6 I o 1 1 1 1 1 1 1 1 81 82 83 84 85 86 87 88 89 90 Year Figure 18b Trend in Alkalinity in Bowland Lake 36. 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 Acidic Precipitation in Ontario Study; Ontario. Ministry of the Environment. [Toronto] : Ministry of the Environment, A. P. I. O. S. Coordination Office
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