http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the longest series of tidal observations in the Americas
Center for Operational Oceanographic Products and Services (U.S.)
Title from title screen (viewed Jan. 18, 2008).
Mode of access: Internet from the National Ocean Service web site. Address as of 01/18/08: http://tidesandcurrents.noaa.gov/publications/150y̲earso̲ft̲ides.pdf ; current access available via PURL.