File:Up to dateheid bestanden Aral meer voorbeeld.PNG

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• 2008-03-03 20:27 Nijeholt 824×407× (444829 bytes) {{Information |Description=Figuur toont de vergankelijkheid van (sommige) geo-informatie. Grenzen van landen en - in dit geval - meren kunnen wijzigen. Voorbeeldfiguur. |Source=Eigen gemaakte media, o.b.v.: achtergrond satellietdata: http://trac.openlayer