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  2. 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 ...

  3. USGS Historical Topographic Maps for the Juneau Icefield area

    en.wikipedia.org/wiki/USGS_Historical...

    These maps were provided by the United States Geological Survey (USGS) [1] and archived to Wikimedia Commons. They are scanned (by the USGS) images of the original paper maps that were published from 1948 to 1997. The information contained in the table below was transcribed from the paper map images displayed in the Image Array.

  4. 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.

  5. Wikipedia : WikiProject Maps/Source materials

    en.wikipedia.org/wiki/Wikipedia:WikiProject_Maps/...

    USGS Maps. Every USGS topographic map available for free download from the Internet Archive. OpenStreetMap - CC-BY-SA 2.0 vector map data collected by GPS; The Map Library - Maps for Central America and Africa. Tag with commons:Template:PD-MapLibrary (talk, backlinks, edit) GinkgoMaps - Free Digital Maps published under the CC-by Licence

  6. File:AK Juneau D-4 356371 1951 63360 geo.pdf - Wikipedia

    en.wikipedia.org/wiki/File:AK_Juneau_D-4_356371...

    USGS Historical Topographic Maps for the Juneau Icefield area Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

  7. File:AK Juneau B-2 353866 1949 62500 geo.pdf - Wikipedia

    en.wikipedia.org/wiki/File:AK_Juneau_B-2_353866...

    USGS Historical Topographic Maps for the Juneau Icefield area Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

  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. 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 ...

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