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  2. TopoZone - Wikipedia

    en.wikipedia.org/wiki/TopoZone

    The 2003 press release of the partnership said that 300 million maps had been served from 1999 to 2003. [2] 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.

  3. Libre Map Project - Wikipedia

    en.wikipedia.org/wiki/Libre_Map_Project

    The Libre Map Project was started by Jared Benedict and around 100 additional individuals contributing money to purchase (or "liberate") a full set of 1:24K scale USGS topographic maps in Digital raster graphic form. [1] The map files were then hosted by archive.org to ensure the map data will continue to be freely available to everyone ...

  4. TopoQuest - Wikipedia

    en.wikipedia.org/wiki/TopoQuest

    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.

  5. The National Map - Wikipedia

    en.wikipedia.org/wiki/The_National_Map

    The USGS also utilizes data from The National Map Corps, which consists of volunteers who devote some of their time to provide cartographic information on structures. [ 4 ] The National Map is the official replacement for the USGS topographic map program .

  6. Topographic map - Wikipedia

    en.wikipedia.org/wiki/Topographic_map

    The various features shown on the map are represented by conventional signs or symbols. For example, colors can be used to indicate a classification of roads. These signs are usually explained in the margin of the map, or on a separately published characteristic sheet. [17] [18] [19] Topographic maps are also commonly called contour maps or ...

  7. Microsoft Research Maps - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Research_Maps

    Microsoft Research Maps (MSR Maps) was a free online repository of public domain aerial imagery and topographic maps provided by the United States Geological Survey (USGS). The site was a collaboration between Microsoft Research (MSR), Bing Maps, and the USGS. It was in operation from June 1998 to March 2016.

  8. List of free geology software - Wikipedia

    en.wikipedia.org/wiki/List_of_free_geology_software

    Free to use software to digitize geological cross-sections, and display and edit borehole logs Geoscience ANALYST [30] Free 3D visualization and communication software for integrated, multi-disciplinary geoscience and mining data and models, which also connects to Python through geoh5py, its open-source API Mira Geoscience Ltd. Free / Proprietary

  9. United States Geological Survey - Wikipedia

    en.wikipedia.org/wiki/United_States_Geological...

    In 2015, the USGS unveiled the topoView website, a new way to view their entire digitized collection of over 178,000 maps from 1884 to 2006. The site is an interactive map of the United States that allows users to search or move around the map to find the USGS collection of maps for a specific area.

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