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The National Geospatial-Intelligence Agency (NGA) is a combat support agency within the United States Department of Defense whose primary mission is collecting, analyzing, and distributing geospatial intelligence (GEOINT) in support of national security.
A historical geographic information system (also written as historical GIS or HGIS) is a geographic information system that may display, store and analyze data of past geographies and track changes in time. It can be regarded as a tool for historical geography.
In modern mapping, a topographic map or topographic sheet is a type of map characterized by large-scale detail and quantitative representation of relief features, usually using contour lines (connecting points of equal elevation), but historically using a variety of methods.
The AMS and other agencies, split off to form the U.S. Army Engineer Research and Development Laboratories (UASERDL) in 1947; then evolved into next into the Geodesy, Intelligence and Mapping Research and Development Agency (GIMRADA) in 1960; then the Engineer Topographic Laboratories (ETL) in 1967; and then became the Topographic Engineering ...
Nationaal Geografisch Instituut (NGI) Institut géographique national (IGN) ngi.be ign.be: Topomap Viewer: Belize: Lands and Surveys Department: mnra.gov.bz: Bénin: Institut Géographique National du Bénin (IGN) ign.bj: Geoportal 2 (planned) Geoportal 1 (hidden) [permanent dead link ] Bolivia: Instituto Geográfico Militar: igmbolivia.gob.bo
The National Map is a significant contribution to the U.S. National Spatial Data Infrastructure (NSDI) from the Federal Geographic Data Committee (FGDC) and currently is being transformed to better serve the geospatial community by providing high quality, integrated geospatial data and improved products and services including new generation ...
But this labels and icons set is also suitable for other complex maps such ethnology maps, linguistic maps, etc. The set of icons is not close to historical icons, you can expand this set if other icons are need for specific fields. Creation: Historical maps are conveniently derivate from country or wider area Location maps. The map maker have ...
The viewer was made seamless by incorporating GDAL. In addition to matching the Topozone URL's, the website offers free download of GeoTIFFs, which Topozone had only offered for a premium. TopoQuest started adding Canadian 1:50K scale topographic maps in July 2008, and USGS 1:100K and 1:250K scale topographic maps in March 2009.