 GSHHG

GSHHG (Global Self-consistent, Hierarchical, High-resolution Geography Database; formerly "Global Self-consistent, Hierarchical, High-resolution Shoreline Database" ("GSHHS")) is a high-resolution shoreline data set amalgamated from two data bases (the CIA world database WDBII, and the World Vector Shoreline database) in the public domain.The data have undergone extensive processing and are free of internal inconsistencies such as erratic points and crossing segments.