Institut national de l'information géographique et forestière

The National Institute of Geographic and Forestry Information is the national French organization of mapping, geodesy and cartography. It was established in 1940 in Paris, France.

 Other websites 

 Official site 
 IGN Fortresses history (in French) 

Category:1940 establishments in France
Category:National mapping agencies
Category:Geography of France
Category:Organizations based in Paris