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. Dept. of the Interior, U.S. Geological Survey; [Earth Science Information Center, Open-File Reports Section, distributor]
Published: 1993
Place of publication: Raleigh, N.C; Denver, Colo
Language: eng
Format: Microform
Number of pages: 39
Subjects: National Water Quality Assessment Program (U.S.); Water quality -- United States; Algal populations -- United States
Notes: Distributed to depository libraries in microfiche

Shipping list no.: 94-0791-M

Includes bibliographical references (p. 36-39)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1994] 1 microfiche : negative