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  2. The National Map - Wikipedia

    en.wikipedia.org/wiki/The_National_Map

    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 ...

  3. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    National Geophysical Data Center: All free data from the NGSC. Includes elevation models, land cover, seismology, etc. The Geospatial Platform: Search for and download a wide variety of datasets from this portal developed by the member agencies of the Federal Geographic Data Committee through collaboration with partners and stakeholders.

  4. National Geographic Maps - Wikipedia

    en.wikipedia.org/wiki/National_Geographic_Maps

    World map published in National Geographic magazine in December 1922. Other divisions and groups within National Geographic Partners and National Geographic Society also create and distribute maps in their publications, including the National Geographic Magazine and Books divisions, but not within the commercial map publishing industry.

  5. List of atlases - Wikipedia

    en.wikipedia.org/wiki/List_of_atlases

    National Geographic Atlas of the World (United States, 1963–present) Pergamon World Atlas (1962/1968) Times Atlas of the World (United Kingdom, 1895–present) Dorling Kindersley Atlas of the World 1994–present

  6. Geographic Names Information System - Wikipedia

    en.wikipedia.org/wiki/Geographic_Names...

    The National Geographic Names database (NGNDB [1] hereafter) was originally 57 computer files, one for each state and territory of the United States (except Alaska which got two) plus one for the District of Columbia. [13] The second Alaska file was an earlier database, the Dictionary of Alaska Place Names that had been compiled by the USGS in ...

  7. Geographic information system - Wikipedia

    en.wikipedia.org/wiki/Geographic_Information_System

    A geographic information system (GIS) consists of integrated computer hardware and software that store, manage, analyze, edit, output, and visualize geographic data. [ 1 ] [ 2 ] Much of this often happens within a spatial database ; however, this is not essential to meet the definition of a GIS. [ 1 ]

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