ini mungkin bisa bantu gak (ada di http://earth-info.nga.mil/gns/html/index.html) :
" Licensing GNS Data There are no licensing requirements or restrictions in place for the use of the GNS data. However, we recommend using the following citation to identify the GNS as a source: Toponymic information is based on the Geographic Names Data Base, containing official standard names approved by the United States Board on Geographic Names and maintained by the National Geospatial-Intelligence Agency. More information is available at the Products and Services link at www.nga.mil. The National Geospatial-Intelligence Agency name, initials, and seal are protected by 10 United States Code Section �445. "
