-
General Geological Map of Switzerland 1:200,000
Geological mapping of the whole country based on the Dufour Map of Switzerland. Comprised of eight sheets, published between 1942 and 1964, the General Geological Map of Switzer...
-
General Geological Map of Switzerland 1:200,000
Geological mapping of the whole country based on the Dufour Map of Switzerland. Comprised of eight sheets, published between 1942 and 1964, the General Geological Map of Switzer...