Individual onsite wastewater systems :  proceedings of the first national conference 1974 / 
sponsored by National Sanitation Foundation edited by Nina I.McClelland 
 - Ann Arbor :  Ann Arbor Science,  1977 
 - 166p. :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0250402084 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal--United States--Congresses<br/>Sewage disposal--Law and legislation--United States--Congresses