http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Title from title screen (viewed on Aug. 22, 2006).
Mode of access: Internet from the EPA web site. Address as of 6/11/07: http://www.epa.gov/region09/water/tribal/pdf/tribal-water-quality-accomplishments.pdf; current access is available via PURL.