Wastewater treatment alternative for rural and semirural areas proceedings of the fifth national conference, 1978/sponsored by National Sanitation Foundation - National Conference on Individual Onsite Wastewater Systems (5th : 1978 : Ann Arbor, Michigan); McClelland, Nina I.; National Sanitation Foundation (U.S.) (Ann Arbor, Mich. Ann Arbor Science Publishers Inc., 1979)
Includes bibliographical references and index
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Keywords: Sewage disposal -- United States -- Congresses; Sewage disposal, Rural -- United States -- Congresses; Septic tanks -- United States -- Congresses