(Grube Samson, St Andreasberg, Revier St Andreasberg, Harz, Niedersachsen, Deutschland)
Famous silver mine, closed in 1910. Located 500 m NW of St Andreasberg.
Lieber, W. and Leyerzapf, H., 1986, German Silver. An Historical Perspective on Silver Mining in Germany, Mineralogical Record, 17: 3-18.