April – August 2005 By Jan Kulhánek | 10/01/2005 - 8:56 PM |11/06/2015 Our activities During spring 2005 we undertook several field trips to the Rožná uranium mine, Krásno (Central Erzgebirge), and Cínovec/Altenberg Sn – W deposit (Germany) lead by Prof M. Štemprok. Cínovec mine, June 2005 Bookmark the permalink.