Summary of biological assessment and programs and biocriteria development for states, tribes, territories and interstate commissions, streams and wadeable rivers : fact sheet.
Imprint
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2003]
Mode of access: Internet from the EPA web site. Address as of 3/7/2006: http://www.epa.gov/waterscience/biocriteria/assessfs.htm; current access available via PURL.
