http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Enhancing the National Map through tactical planning and performance monitoring
Title from title screen (viewed on Oct. 22, 2008).
Mode of access: Internet from the USGS web site. Address as of 10/22/08: http://pubs.usgs.gov/fs/2008/3074/fs2008-3074.pdf ; current access available via PURL.
Fact sheet (Geological Survey (U.S.)) ; 2008-3074