GSHHG is a high-resolution shoreline data set amalgamated from two databases:
 Global Self-consistent Hierarchical High-resolution Shorelines (GSHHS) and
 CIA World Data Bank II (WDBII). GSHHG contains vector descriptions at five
 different resolutions of land outlines, lakes, rivers, and political
 boundaries. This data is for use by GMT, the Generic Mapping Tools.
 .
 This metapackage depends on all resolution specific GSHHG packages:
 .
  * gmt-gshhg-low Low resolution coastlines for the Generic Mapping Tools
  * gmt-gshhg-high High resolution coastlines for the Generic Mapping Tools
  * gmt-gshhg-full Full resolution coastlines for the Generic Mapping Tools
 .
 Use gmt-gshhg-low for the crude, low and intermediate resolution coastlines
 which will be enough to get you started.
 .
 Use gmt-gshhg-high or gmt-gshhg-full to create better quality maps at
 an higher resolution, but be aware that the full maps take space on
 your disk.