http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Description based on first issue; title from title screen (viewed on Sept. 7, 2007).
Mode of access: Internet at the Office of Water web site. Address as of 9/7/07: http://www.epa.gov/safewater/dwsrf/index.html ; current access available via PURL.
U.S. Environmental Protection Agency, Office of Water, Washington, DC 20460