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The National Maps were implemented in varying scales up and subsequently replaced the Dufour and Siegfried maps and their supplements.

The 0 000 Topographic Map of Switzerland (Dufour Map) was the first official series of maps that encompassed the whole of Switzerland.

Basic geological data in digital form are primarily used for carrying out modern geological analyses and exploring the underground.

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But do you know how much work goes into them and are you aware of the other activities of swisstopo?The history of our planet is full of secrets and fascinating facts.