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  2. TopoQuest - Wikipedia

    en.wikipedia.org/wiki/TopoQuest

    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.

  3. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...

  4. National Lidar Dataset (United States) - Wikipedia

    en.wikipedia.org/wiki/National_Lidar_Dataset...

    Currently, the best source for nationwide LiDAR availability from public sources is the United States Interagency Elevation Inventory (USIEI). [1] The USIEI is a collaborative effort of NOAA and the U.S. Geological Survey, with contributions from the Federal Emergency Management Agency, the Natural Resources Conservation Service, the US Army Corps of Engineers, and the National Park Service.

  5. OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap

    The license change and resulting deletions prompted a group of dissenting mappers to establish Free Open Street Map (FOSM), a fork of OSM that remained under the previous license. [37] Map tiles provided by the OpenStreetMap project were licensed under CC-BY-SA-2.0 until 1 August 2020. The ODbL license requires attribution to be attached to ...

  6. TopoZone - Wikipedia

    en.wikipedia.org/wiki/TopoZone

    TopoZone was one of the first topographic mapping site on the web, providing visitors with free viewing and printing of the full set of United States Geological Survey topographic maps covering the entire United States. The maps are produced by the USGS, which encourages the distribution of their maps through business partners.

  7. NASA WorldWind - Wikipedia

    en.wikipedia.org/wiki/NASA_Worldwind

    Geoforge provides open source software. It leads in a platform [13] that manages geosciences data and uses WorldWind features to provide a display of geo-localised geosciences objects. Dapple [14] is a fork of the NASA WorldWind project, it is an Open Source project created by developers at Geosoft.

  8. 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 ...

  9. National Elevation Dataset - Wikipedia

    en.wikipedia.org/wiki/National_Elevation_Dataset

    The National Elevation Dataset (NED) consists of high precision topography or ground surface elevation data (digital elevation model) for the United States. It was maintained by the USGS and all the data is in the public domain. Since the 3D Elevation Program came online, the NED was subsumed [1] into The National Map as one of its layers of ...