Quality of surface waters of the United States, 1970
Subtitle: Part 3. Ohio River Basin.
Series: U.S. Geological Survey water-supply paper -- 2133
Publisher: U.S. Government Printing Office
Published: 1975
Place of publication: Washington, DC
Language: eng
Number of pages: 444
Subjects: Water-supply -- United States.; Water -- Composition.
Notes: Prepared in cooperation with the States of Alabama, Georgia, Indiana, Kentucky, Maryland, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and with other agencies.

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