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  2. National Geographic TOPO! maps find their way to Magellan ...

    www.aol.com/news/2012-05-09-national-geographic...

    If you're more about the mountainous views, than Mountain View, then you might be pleased to hear that Magellan is bringing National Geographic's TOPO! maps to its eXplorist range of outdoor GPS ...

  3. 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 ...

  4. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    The National Map: Topographic data from the USGS and other federal, state, and local partners. National Geophysical Data Center: All free data from the NGSC. Includes elevation models, land cover, seismology, etc. The Geospatial Platform

  5. Topographic map - Wikipedia

    en.wikipedia.org/wiki/Topographic_map

    Topographic maps are also commonly called contour maps or topo maps. In the United States, where the primary national series is organized by a strict 7.5-minute grid, they are often called or quads or quadrangles. Topographic maps conventionally show topography, or land contours, by means of contour lines.

  6. Geographic Names Information System - Wikipedia

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

    The logo of the United States Geological Survey (USGS) The Geographic Names Information System (GNIS) is a database of name and location information about more than two million physical and cultural features throughout the United States and its territories; the associated states of the Marshall Islands, Federated States of Micronesia, and Palau; and Antarctica.

  7. GIS file format - Wikipedia

    en.wikipedia.org/wiki/GIS_file_format

    When general-purpose GIS software was developed in the 1970s and early 1980s, including programs from academic labs such as the Harvard Laboratory for Computer Graphics and Spatial Analysis, government agencies (e.g., the Map Overlay and Statistical System (MOSS) developed by the U.S. Fish & Wildlife Service and Bureau of Land Management), and ...

  8. Map Overlay and Statistical System - Wikipedia

    en.wikipedia.org/wiki/Map_Overlay_and...

    This was Task 2 of the USFWS contract: "Survey, assess, and compare existing computer software systems and geographic data bases which are relevant to FWS determined needs. This may include federal, state, and private software and data bases". Approximately 70 different mapping and GIS software packages were identified.

  9. National Geographic - Wikipedia

    en.wikipedia.org/wiki/National_Geographic

    National Geographic (formerly The National Geographic Magazine, [3] sometimes branded as Nat Geo [4]) is an American monthly magazine published by National Geographic Partners. [5] The magazine was founded in 1888 as a scholarly journal, nine months after the establishment of the society, but is now a popular magazine.