enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. The National Map - Wikipedia

    en.wikipedia.org/wiki/The_National_Map

    The National Map is part of the USGS National Geospatial Program. [3] The geographic information available includes orthoimagery (aerial photographs), elevation, geographic names, hydrography, boundaries, transportation, structures and land cover. The National Map is accessible via the Web, as products and services, and as downloadable data ...

  3. GeoPDF - Wikipedia

    en.wikipedia.org/wiki/GeoPDF

    GeoPDF products are used to deliver maps and imagery from multiple US government agencies. Quadrangles of The National Map are available from the USGS store in as GeoPDF products and are free to download. The US Army Corps of Engineers distributes GeoPDF maps through the U.S. Army Corps of Engineers Topographic Engineering Center.

  4. 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 ...

  5. United States Geological Survey - Wikipedia

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

    Georeferenced map images are available from the USGS as digital raster graphics (DRGs) in addition to digital data sets based on USGS maps, notably digital line graphs (DLGs) and digital elevation models (DEMs). 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 ...

  6. 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

  7. United States Geological Survey Library - Wikipedia

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

    The U.S. Antarctic Resource Collection (USARC) is currently located at the USGS Library in Reston, VA, and contains materials from the former U.S. Antarctic Resource Center. When operational, the Center was a joint effort of the USGS National Mapping Division and the National Science Foundation United States Antarctic Program.

  8. 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 ...

  9. 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