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National Geophysical Data Center: All free data from the NGSC. Includes elevation models, land cover, seismology, etc. The Geospatial Platform: Search for and download a wide variety of datasets from this portal developed by the member agencies of the Federal Geographic Data Committee through collaboration with partners and stakeholders.
If you're more about the mountainous views, than Mountain View, then you might be pleased to hear that Magellan is bringing National Geographic's TOPO! maps to its eXplorist range of outdoor GPS ...
"Philippine Geoportal", by the National Mapping and Resource Information Authority. Qatar "Qatar Geoportal", by Qatar's Center for Geographic Information Systems (CGIS), part of the Ministry of Municipality and Environment. Urbi, by 2GIS. Russia. Yandex Maps, by Yandex. 2GIS, by 2GIS. Maps.me, by Mail.Ru; Saudi Arabia
In 2008 the USGS abandoned traditional methods of surveying, revising, and updating topographic maps based on aerial photography and field checks. [34] Today's U.S. Topo quadrangle (1:24,000) maps are mass-produced, using automated and semiautomated processes, with cartographic content supplied from the National GIS Database. [34]
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 ...
including Topographic Map Series in different map scales France: Institut national de l'information géographique et forestière (IGN) National Institute of Geographic and Forest Information (IGN) ign.fr: Géoportail: Germany: Bundesamt für Kartographie und Geodäsie (BKG) Federal Agency for Cartography and Geodesy: bkg.bund.de: Geoportal.de
The National Land Survey of Finland produces the Topographic Database (accuracy 1:5000-1:10 000) and publishes topographic maps of Finland at 1:25,000 and 1:50,000. In addition topographics maps can be viewed by using a free map service MapSite.
The Instituto Geográfico Nacional (IGN), or National Geographic Institute is a Spanish government agency, dependent on the Spanish Ministry of Public Works. Founded in 1870, it is the national mapping agency for Spain , together with the Centro Nacional de Información Geográfica (CNIG).