De Zwerver
Netherlands
De Zwerver
Netherlands
2021
De Zwerver
Netherlands
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Stanfords
United Kingdom
  • Brussels NGI Topo 31
  • Topographical survey of Belgium at 1:50,000 from the country’s national survey organization, Nationaal Geografisch Instituut / Institut Géographique National. Contour interval varies according to the terrain, from 2.5 metres in the coastal areas to 10 metres in the Ardennes. The maps provide all the information expected of topographic mapping... Read more
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De Zwerver
Netherlands
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Stanfords
United Kingdom
  • Brussels NGI Topo 31/3-4
  • Topographical survey of Belgium at 1:20,000 from Nationaal Geografisch Instituut / Institut Géographique National, the country’s national survey organization. Each 20K map covers one quarter of the corresponding 1:50,000 map (with adjustments in the border and coastal areas). The maps provide all the information expected of topographic mapping... Read more
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Stanfords
United Kingdom
Stanfords
United Kingdom
Stanfords
United Kingdom