Methods for collecting algal samples as part of the National Water-Quality Assessment Program
By: by Stephen D. Porter ... [et al.].
Contributors: Porter, Stephen D.; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 93-409.
Publisher: U.S. Geological Survey; U.S.G.S. Earth Science Information Center, Open-File Reports Section [distributor]
Published: 1993
Place of publication: Raleigh, N.C; Denver, Colo
Language: eng
Number of pages: 39
Subjects: National Water-Quality Assessment Program (U.S.); Water quality biological assessment -- United States.; Water quality -- United States.; Algal populations -- United States.
Notes: Shipping list no.: 94-0791-M.

Includes bibliographical references (p. 36-39).

Also available on the World Wide Web.

HMSC COPY PRINTED FROM WEB.