Interstate Commission on the Delaware River Basin.2018-09-062018-09-061943-06974.901 I47http://hdl.handle.net/10929/49054en-USWater -- Pollution -- PeriodicalsRivers -- Recreational use -- PeriodicalsDelaware River (N.Y.-Del. and N.J.) -- PeriodicalsIncodel / Interstate Commission on the Delaware River Basin: A Report on its Activities and Accomplishments