Auckland area sewerage.  Study stage 2,  Manukau Harbour biological investigations of sewage discharges / 
 Manukau Harbour biological investigations of sewage discharges 
prepared by Bioresearches Ltd. 
 - various pagings :  illustrations ;  30 cm. 
 - Technical report /  Drainage Dept., Auckland Regional Authority ;  no. 216 .
 - Technical report (Auckland Regional Authority. Drainage Dept.) ;  no. 216. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal--New Zealand--Auckland
<br/><br/><label>Dewey Class. No.: </label>628.309932