Jonastal (Jonas Valley), situated in the Ilm-Kreis district in Germany between Crawinkel and Arnstadt and near to the town of Ohrdruf, was a scene of military...

quarters for the Reich leadership, the extensive tunneling and other works at Jonastal point to an armament factory of some kind. There is a theory, advanced...

According to German historian Rainer Karlsch, the facility built at nearby Jonastal was one of two locations where Kurt Diebner's team tested its nuclear energy...