SCAN 25: http://professionnels.ign.fr/sites/default/files/DC_SCAN25_3.2.pdf
SCAN EXPRESS: http://professionnels.ign.fr/doc/DC-SCANExpress_1-0.pdf
CARTOWEB: http://www.ngi.be/cartoweb_info/cartoweb_legende_fr.pdf
Anciennes cartes : http://www.ngi.be/Common/leg10/10000FR.htm
https://www.basemap.at/downloads/Legende_basemap.pdf
https://www.kadaster.nl/documents/20838/1051752/TOP25raster+legenda/d3e3ddfb-1e72-400b-9550-7603a9f8bbb4?t=1516787148899
https://pubs.usgs.gov/gip/TopographicMapSymbols/topomapsymbols.pdf
http://cartotheque.uqac.ca/cartes/toporama/G3452S11c2s050TOPORAMA_Legende.html