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CHNB Goldau von Sdosten vom Lauerzersee aus nach dem Bergsturz Collection Gugelmann GSGUGESUTERE.tif Information Goldau von Sdosten vom Lauerzersee aus nach dem Bergsturz Goldau Sepia Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGESUTERE helveticarchives ch aspx ID helveticarchives ch