Challis, Derek, <br/><br/>
Baseline data on water quality in the Auckland water region obtained from 1977-1981 :  report prepared for the Auckland Regional Water Board / 
 Baseline data on water quality in the Auckland water region obtained from nineteen seventy seven-nineteen eighty one  Baseline data on water quality in the Auckland water region obtained from 1977 to 1981  Baseline data on water quality in the Auckland water region obtained from 1977-1982 
by D.A. Challis. 
 - 281 pages :  illustrations, maps ;  30 cm. 
 - Technical publication / Auckland Regional Water Board,  no. 22  0110-7143 ; .
 - Technical publication (Auckland Regional Water Board) ;  no. 22. .
<br/><br/> "March 1982.". 
<br/><br/>Includes bibliographical references (pages 275-276). 
<br/><br/><label>Source: </label> (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality--Measurement.--New Zealand--Auckland
<br/><br/><label>Dewey Class. No.: </label>628.16109932