Virginia Polytechnic Institute and State University. Department of Agricultural EconomicsVirginia Polytechnic Institute and State University. Department of Civil EngineeringCox, William E.Shabman, Leonard A.Batie, Sandra S.Looney, J. W.2015-08-042015-08-041981-07-15http://hdl.handle.net/10919/55262358 pagesapplication/pdfen-USIn CopyrightLD5655.A522 A343Water quality management -- VirginiaWater resources development --Virginia.Report9458787