View of the Černý Důl Ag-Fe-U mining area, in 1926.
Černý Důl, Trutnov District, Hradec Králové Region, Czech Republic
Part of the Černý Důl settlement, in 1926. Vintage picture postcard, publisher unknown. The card was sent on 6 July 1926 from Černý Důl to Vlašim near Benešove.
Černý Důl is the type locality of Koutekite, Kutinaite, Novákite, and Paxite!
G. Grundmann collection
© Günter Grundmann, Detmold