00523 a2200181 4500 0865424691 333.91 PER 18892 29129 Perry, James Water quality management of a natural resource Canada Blackwell publishing 1996 1996 xiii,639p. 26cm Water quality management-government policy Water rights Water quality management-social aspects Vanderklein, Elizabeth L 46686 46686 0 0 0 0 LEN MKDL MKDL LEN 2009-06-30 0 333.91PER 57260 2009-06-30 00:00:00 0.00 2016-10-31 L