General Geological Map of Switzerland 1:200'000
Geological map of the whole country based on the Dufour map of Switzerland. In eight sheets, published between 1942 and 1964, the General Geological Map is a historic document of the highest quality.
![General Geological Map of Switzerland 1:200,000](https://prod-swisstopoch-hcms-sdweb.imgix.net/2023/12/04/ec791a27-ab39-4ecc-9a9b-de1479ba3ff9.jpeg?auto=format)
Federal Office of Topography swisstopo
Division Swiss Geological Survey
Seftigenstrasse 264
3084 Wabern
Seftigenstrasse 264
3084 Wabern