Quality of surface waters of the United States, 1967
Subtitle: Parts 3 and 4. Ohio River basin and St. Lawrence River basin.
Series: U.S. Geological Survey water-supply paper -- 2012
Publisher: U.S. Government Printing Office
Published: 1971
Place of publication: Washington, DC
Language: eng
Number of pages: 575
Subjects: Water-supply -- United States.; Water -- Composition.
Notes: 1