Only in the years 1921 to 1924 was the pit in operation, in which the oily roofing slate was mined. However, the oil content in this pit was too low. …
The tunnel mouth is about 50m from the path of the dream loop (forest path) away above the slope behind the fenced garden plots on a forgotten and overgrown farm …
An approximately 15 meter deep slate gallery near Leideneck, the side exits of which have already collapsed. Neither the beginning nor the end of the slate quarrying has survived, but …