CONTENT

How did the Macocha Chasm originate?

The pseudokarst cave Hundskirche in Kummergebirge, Northern Bohemia

Ochoz Cave and Vilém's valley in the southern part of the Moravian Karst

Historical underground in Kladsko, Silezia

Artificial and pseudokarst cavities in Snowdonia

The Treasure Island

The Chrustenice Mine: history and at present

The report on exploration of historical underground spaces in Proseč at Pošná (Pelhřimov District)


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