http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Title from title screen (viewed on Nov. 15, 2004).
Mode of access: Internet from the USGS Web site. Address as of 11/15/04: http://pubs.usgs.gov/fs/fs177-96/; current access is available via PURL.
Fact sheet (Geological Survey (U.S.)) ; FS-96-177