Field operations manual for assessing the hydrologic permanence and ecological condition of headwater streams
By: prepared by Ken M. Fritz, Brent R. Johnson, David M. Walters.
Contributors: Johnson, Brent R.; Walters, David M.; United States. Environmental Protection Agency. Office of Research and Development.
Publisher: United States Environmental Protection Agency, Office of Research and Development
Published: 2006
Place of publication: Washington, D.C
Language: eng
Number of pages: 134
Subjects: Stream ecology -- Handbooks, manuals, etc
Genres: Handbooks, manuals, etc
Notes: "EPA 600/R-06/126."

"October 2006."

Contains bibliographic references.