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The National Geophysical Data Center (NGDC) and its sister data centers merged into the National Centers for Environmental Information (NCEI)

Coastline Extractor is no longer available, please use the GEODAS software tool Related Links Shoreline / Coastline Resources Global Self-consistent, Hierarchical, High-resolution Geography Database (GSHHG) is a high-resolution geography data set, amalgamated from two databases: World Vector Shorelines (WVS) and CIA World Data Bank II (WDBII). The former is the basis for shorelines while the latte