Description
Item Description:Title from HTML home page (viewed on June 5, 2008).
First appeared online May 2002.
Physical Description:1 electronic map : HTML file
Publication Frequency:Updated irregularly
Format:Mode of access: Internet from the NOAA NGDC web site. Address as of 6/5/08: http://map.ngdc.noaa.gov/website/mgg/deck41/viewer.htm; current access via PURL.