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  2. 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 ...

  3. List of national mapping agencies - Wikipedia

    en.wikipedia.org/wiki/List_of_national_mapping...

    including 1:50k topographic map Serbia: Republički geodetski zavod (RGZ) Republic Geodetic Authority: rgz.gov.rs: Geoportal geoSrbija: Slovakia: Úrad geodézie, kartografie a katastra (Authority of Geodesy, Cartography and Cadastre) skgeodesy.sk Kataster Archived 2018-09-03 at the Wayback Machine: Geoportal Mapový Klient ZBGIS Cadrastal ...

  4. National Mapping and Resource Information Authority

    en.wikipedia.org/wiki/National_Mapping_and...

    The Philippines' National Mapping and Resource Information Authority (Filipino: Pambansang Pangasiwaan sa Pagmamapa at Dulugang Kaalaman), abbreviated as NAMRIA, is an agency of the Philippine government under the Department of Environment and Natural Resources responsible for providing the public with mapmaking services and acting as the central mapping agency, depository, and distribution ...

  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. National mapping agency - Wikipedia

    en.wikipedia.org/wiki/National_mapping_agency

    It provides topographic maps and data to meet the needs of the sustainable development of the nation. The Office of Spatial Data Management provides an online free map service MapConnect. [12] These topographic maps of scales 1:250,000 and 1:100,000 are available in printed form from the Sales Centre.

  7. OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap

    OpenStreetMap (abbreviated OSM) is a free, open map database updated and maintained by a community of volunteers via open collaboration. [4] Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and import from other freely licensed geodata sources.

  8. File:National Mapping and Resource Information Authority ...

    en.wikipedia.org/wiki/File:National_Mapping_and...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  9. 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.