Delaware River water quality Bristol to Marcus Hook, Pennsylvania, August 1949 to December 1963
By: by W. B. Keighton.
Series: Geological Survey water-supply paper -- 1809-0
Publisher: United States Government Printing Office
Published: 1965
Place of publication: Washington DC
Language: eng
Number of pages: 57
Subjects: Water quality -- Delaware River -- 1949-1963.; Delaware River (N.Y.-Del. and N.J.) -- 1949-1963.
Notes: Prepared in cooperation with the City of Philadelphia.