Conceptual design of a national water-quality assessment program
By: by Robert M. Hirsch, William M. Alley, and William G. Wilber.
Contributors: Alley, William M.; Wilber, William G.
Series: U.S. Geological Survey circular ;; 1021
Publisher: U.S. G.P.O.
Published: 1989
Place of publication: Washington
Language: eng
Subjects: Water quality -- United States; Water quality -- United States -- Measurement -- Case studies
Notes: Bibliography: p.