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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. David Rumsey Historical Map Collection - Wikipedia

    en.wikipedia.org/wiki/David_Rumsey_Historical...

    The David Rumsey Historical Map Collection is a large private map collection with over 150,000 maps and cartographic items. The collection was created by David Rumsey who, after making his fortune in real estate , focused initially on collecting 18th- and 19th century maps of North and South America , as this era "saw the rise of modern ...

  4. List of national mapping agencies - Wikipedia

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

    Nationaal Geografisch Instituut (NGI) Institut géographique national (IGN) ngi.be ign.be: Topomap Viewer: Belize: Lands and Surveys Department: mnra.gov.bz: Bénin: Institut Géographique National du Bénin (IGN) ign.bj: Geoportal 2 (planned) Geoportal 1 (hidden) [permanent dead link ‍] Bolivia: Instituto Geográfico Militar: igmbolivia.gob.bo

  5. 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 ...

  6. OpenHistoricalMap - Wikipedia

    en.wikipedia.org/wiki/OpenHistoricalMap

    A historic map by the United States Coast and Geodetic Survey that has been georeferenced by the Regional Plan Association for mapping historic wetlands in OpenHistoricalMap. OpenHistoricalMap allows anyone with a free account to contribute directly to the map through an editor such as the iD Web application or the JOSM desktop application.

  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. Historical geographic information system - Wikipedia

    en.wikipedia.org/wiki/Historical_geographic...

    A historical geographic information system (also written as historical GIS or HGIS) is a geographic information system that may display, store and analyze data of past geographies and track changes in time.

  9. Chief Directorate: National Geo-spatial Information - Wikipedia

    en.wikipedia.org/wiki/Chief_Directorate:...

    The Chief Directorate: National Geo-spatial Information or CD:NGI (formerly the Chief Directorate: Surveys and Mapping or CD:SM), is the national mapping agency of South Africa. It is part of the Department of Agriculture, Land Reform and Rural Development .