(Gruben am Spitzenberg, Bad Harzburg, Harz, Niedersachsen, Deutschland)
Ancient iron mines, closed in 1940.
Located on Spitzenberg mountain, about 5.5 km SW of Bad Harzburg.
Ref.:
- Der Aufschluss 1969(11), 310-315
- Lapis 1978(10), 17
- S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990