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Line 31:
Line 31:
1/3 height of vegetation for infrequently mown swales. +
Maximum depth of flow
Maximum depth of flow
−⅓ height of vegetation for infrequently mown swales.
½ height of grass for regularly mown swales, to maximum of 75 mm.
½ height of grass for regularly mown swales, to maximum of 75 mm.