Government Mapping Agencies

National Mapping Agencies - A list of foreign mapping agencies compiled by R.B. Parry and C.R. Perkins, "World Mapping Today", 2nd edition (Bowker-Saur, 2000).

Natural Resources Canada - information on topographic, aeronautical and thematic maps, and digital topographic data produced by the Canadian government. It freely distributes spatial data through Geogratis.

U. S. Geological Survey - US government agency responsible for earth science research and information dissemination, including topographic, geologic, and wetlands mapping.

National Atlas of the United States - the official National Atlas of the United States provides a comprehensive, maplike view into the enormous wealth of geospatial and geostatistical data collected for the US.

National Atlas of Canada - the Atlas of Canada provides authoritative, current and accessible geographic information products at a national level