Summary Report of Quality of Interstate Waters - Susquehanna River (Upper) (New York - Pennsylvania) (Data Current to January, 1961)
in Records of the Environmental Protection Agency, 1944 - 2006 (RG412). Regulation Files Relating to Interstate Bodies of Water, 1949 - 1975 (A1 36), of United States. National Archives and Records Administration. Federal Records (1961), Box 283, Susquehanna River Admin. #1 , 17 page(s)