Geotezka Following the traces of iron ore mining

As early as the beginning of the 16th century, the mining of iron ores developed in the sandstone area between Doksy and Hamre na Jezere. Iron ore mines used to be commonly located in mountainous areas, where hard crystalline rocks come to the surface.
Iron mining in the middle of sandstone rock cities was quite problematic, but nevertheless, these places preserved ingenious systems of mine guns. They were, for example, pits (so-called…