Individual onsite wastewater systems:  proceedings/ 
National Conference for Individual Onsite Wastewater Systems: sponsered by National Sanitation Fundation and United States Environmental Protection Agency Technology Transfer Program; edited by Nina I. Mcclelland 
 - Michigan:  Ann Arbor Science,  c1977 
 - v.:  ill., maps;  24 cm. 
<br/><br/> Library has V.1 ist proceeding held on 1974, V.2 2nd proceeding held on 1975, V.3 3rt proceeding held on 1976 
<br/><br/><label>ISBN: </label>0250401568  $ 22.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal--Congresses<br/>Sewerage--Congresses<br/>Sewage--Purification--Congresses
<br/><br/><label>Dewey Class. No.: </label>628.39