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The Coastline Extractor is no longer available

The Coastline Extractor, created by Rich Signell of the U.S. Geological Survey is no longer available from the NOAA/National Geophysical Data Center (now the National Centers for Environmental Information).

Notice: This site ( is scheduled to be removed on or after 6/30/2016, as per the NESDIS Partnership Policy. See the official notice.

Links to updated data files and alternative software: