sponsored by the Environmental Protection Agency, the National Center for Atmospheric Research, and Committee D-22 on Methods of Sampling and Analysis of Atmospheres, American Society for Testing and Materials, Boulder, Colo., 14-16 Aug. 1973
Conference in the Matter of Pollution of the Navigable Waters of Dade County, Florida, and Tributaries, Embayments and Coastal Waters (3rd : 1971 : Miami, Fla.)
Conference in the Matter of Pollution of the Interstate Waters of the Escambia River Basin (Alabama-Florida) and the Intrastate Portions of the Escambia Basin within the State of Florida (1971 : Pensacola, Fla.)
organized by the Urban Water Resources Research Council of the Technical Council on Research of the American Society of Civil Engineers ; co-sponsored by the U.S. National Science Foundation [and] American Public Works Association [and] U.S. Environmental Protection Agency ; edited by Ben Urbonas and Larry A. Roesner
Conference in the Matter of Pollution of Lake Superior and its Tributary Basin in the States of Minnesota, Wisconsin, and Michigan (1971 : Duluth, Minn.)
edited by Larry A. Roesner ; conference chairs, Earl Shaver and Richard Horner, and conference co-chairs, Michael E. Cook and Christine Anderson ; conference co-sponsors, Urban Water Resources Research Council of Civil Engineers, American Public Works Association, U.S. Environmental Protection Agency ; August 4-9, 1996, Snowbird Resort and Conference Center, Snowbird, Utah
Conference in the Matter of Pollution of the Interstate Waters of the Monongahela River and its Tributaries--Pennsylvania, West Virginia, Maryland (2nd Session : 1971 : Pittsburgh, Pa.)