Centre for Topographic Information (Sherbrooke) - - Canada's national topographic mapping agency, responsible for establishing, updating, and distributing the National Topographic Data Base (NTDB), along with other raster and terrain data bases.
GeoGratis - - A web and ftp site that distributes geospatial data of Canada for free data download. Available data list, maps and download categories.
National Atlas of Canada - - The National Atlas of Canada is responsible for "the development and maintenance of an authoritative synthesis of the geography of Canada." Products include small-scale base maps and thematic maps of Canada and its provinces, in both digital and conventional formats.
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