Spatial Coverage
- East Indies2
- Europe, Western2
- Flanders.2
- Gelderland (Netherlands)2
- Gelderland.2
- Germany.2
- IJssel Lake (Netherlands)2
- Limburg (Belgium : Province)2
- Limburg (Netherlands)2
- Limburg (Province)2
- Limburg.2
- Meuse River2
- New York (State)2
- North Brabant.2
- North Rhine-Westphalia (Germany)2
- Rhine-Meuse Delta (Netherlands)2
- West Frisian Islands2
- Amstelveen (Netherlands)1
- Amsterdam Metropolitan Area (Netherlands)1
- Amsterdam.1
