Individual onsite wastewater systems : proceedings of the first national conference 1974 - National Conference on Individual Onsite Wastewater Systems (1st : 1974 : Ann Arbor, Mich.); McClelland, Nina I.; National Sanitation Foundation (U.S.) (Ann Arbor : Ann Arbor Science, 1977)
Includes bibliographical references and index
Keywords: Sewage disposal -- United States -- Congresses; Sewage disposal -- Law and legislation -- United States -- Congresses