http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Overview of the U.S. Geological Survey Chesapeake Bay ecosystem program
Overview of the United States Geological Survey Chesapeake Bay ecosystem program
Title from HTML title screen (viewed on July 29, 2004).
Mode of access: Internet from the USGS Web site. Address as of 7/29/04: http://md.water.usgs.gov/publications/fs-124-97/; current access is available via PURL.
Fact sheet (Geological Survey (U.S.)) ; FS-97-124