Fundamental change in character fit in well with the renewal of mining in the district of Ratiborice sometime early 16 century. Already from 1515, was preserved record of the smelting of silver ore from Ratiborice and Vresce in Rosenberg's steelworks in the Czech Krumlov. The Rosenbergs invested in these mines large amounts of money, called the new professionals who are in Ratibořice Mountains focused primarily on large construction pit the Three Kings. At that time Ratibořské Hory with the surroundings at the peak of its prosperity, which was mined today in nearly all known mines.