Herchenberg volcano 2007
The scoria cone shaping in former times the landscape has been very much altered especially since the end of the 19th century by the removal of the tertiary sands and the quaternary volcanic eruptive products.
The scoria cone shaping in former times the landscape has been very much altered especially since the end of the 19th century by the removal of the tertiary sands and the quaternary volcanic eruptive products.