http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Title from title screen (viewed on July 15, 2009).
At head of title: National Geospatial Program Office.
Mode of access: Internet from the USGS web site. Address as of 7/15/09: http://pubs.usgs.gov/fs/2009/3053/pdf/fs2009%5F3053.pdf ; current access available via PURL.
Includes bibliographical references (page [4]).
Fact sheet (Geological Survey (U.S.)) ; 2009-3053