http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Depths shown by isolines, soundings and gradient tints.
Title from title screen (viewed on Feb. 12, 2008).
Includes hydrographic survey index and information, depth gradient diagram, and index to adjoining maps.
Mode of access: Internet from the NGDC NOAA web site. Address as of 2/12/08: http://www.ngdc.noaa.gov/mgg/bathymetry/maps/previews/F-89.pdf ; current access via PURL.