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Geotechnical Map of Switzerland 1:200000
The 1:200'000 geotechnical map (GK200) shows the subsurface strata classified according to lithological-petrographic criteria. The legend is designed to represent the technical ...
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Geotechnical Map of Switzerland 1:200000
The 1:200'000 geotechnical map (GK200) shows the subsurface strata classified according to lithological-petrographic criteria. The legend is designed to represent the technical ...