From http://ccri.library.ualberta.ca/enindex.html: The CCRI represents an infrastructure that facilitates research on the transformation of Canadian society in the twentieth century. The CCRI's mandate is to provide researchers with a body of data… Read more.
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Public domain vector and raster datasets for a range of cultural and physical themes, covering the entire world.
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Open geodata portal for Spain. Includes orthophotos, elevation data, land cover, road network files, hydrography, administrative boundaries, populated places, transportation networks and historical maps.
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This is an online mapping application containing parcels, air photos, recreation information, wards, etc.
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Download topographic vector data for all of the United States.
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Download of satellite, aircraft, and other remotely sensed raster data. Free account setup is required. Most data is freely available for download and in the public domain. Select datasets have use restrictions and/or fees associated with them,… Read more.