Quality of rivers of the United States, 1975 water year
Subtitle: based on the National Stream Quality Accounting Network (NASQAN)
By: by John C. Briggs and John F. Ficke.
Contributors: Ficke, John F.
Series: U.S. Geological Survey open-file report -- 78-200.; Open-file report (Geological Survey (U.S.)) -- 78-200.
Publisher: U.S. Geological Survey
Published: 1977
Place of publication: Reston, Va
Language: eng
Number of pages: 436
Subjects: Rivers -- United States -- Statistics; Water quality -- United States -- Statistics
Genres: Statistics.
Notes: Tables.

Includes bibliographical references (p. 81).