[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2001]
OCLC
ocm55498585
Title from title screen (viewed on May 27, 2004).
"June 2001."
"EPA-823-B-01-001."
Includes bibliographical references.
Mode of access: Internet from the EPA web site. Address as of 5/27/2004: http://www.epa.gov/waterscience/basins/b3docs/B3manual.zip; current access available via PURL.