TY - BOOK ED - New Zealand. TI - 1975 grading of public water supplies in New Zealand: a report T2 - Report series U1 - 628.161 23 PY - 1975/// CY - [Wellington, N.Z.] PB - Board of Health KW - Water KW - Analysis KW - Municipal water supply KW - New Zealand KW - Evaluation KW - Water quality management ER -