This polygon shapefile represents areas containing a concentration of buildings and other structures in Saint Helena. The Global Map St Helena Island version 2 Drainage, Transportation and Population Centres layer were developed from the 1989, 1: 10,000 Ordnance Survey map at a scale of 1: 10,000. The Global Map St Helena Island version 2: Boundary layer was developed at scale of 1:25,000 on the 12/12/2005 and from the 1989, 1:10,000 Ordnance Survey map at a scale of 1:25,000. Global Map data were developed under the cooperation of National Geospatial Information Authorities (NGIAs) of respective countries and regions.
