Quality of surface waters of the United States, 1970
Subtitle: Part 7. Lower Mississippi River Basin.
Series: U.S. Geological Survey water-supply paper -- 2156
Publisher: U.S. Government Printing Office
Published: 1975
Place of publication: Washington, DC
Language: eng
Number of pages: 636
Subjects: Water-supply -- United States.; Water -- Composition.
Notes: Prepared in cooperation with the States of Arkansas, Colorado, Kansas, Kentucky, Louisiana, Mississippi, Missouri, New Mexico, Oklahoma, Texas, and with other agencies.

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