Better monitoring techniques are needed to assess the quality of rivers and streams
Subtitle: report to the Congress
By: by the Comptroller General of the United States.
Publisher: U.S. General Accounting Office
Published: 1981
Place of publication: Washington, D.C
Language: eng
Subjects: Water quality -- United States -- Measurement.
Notes: Includes bibliographies.
Cover title.
Apr. 30, 1981.
"CED-81-30."
"B-201374"--Vol. 1, prelim. p.
Item 546-D (microfiche)