National management measures to protect and restore wetlands and riparian areas for the abatement of nonpoint source pollution [electronic resource].
Imprint
Washington, D.C. : Nonpoint Source Control Branch, Office of Wetlands, Oceans and Watersheds, Office of Water, U.S. Environmental Protection Agency, [2005]
Mode of access: Internet from the EPA web site. Address as of 4/2/08: http://epa.gov/owow/nps/wetmeasures/pdf/guidance.pdf; current access available via PURL.