(Fortschritt-Schacht I (Wolf-Schacht), Eisleben, Mansfelder Becken, Sachsen-Anhalt, Deutschland)
The Wolf shaft (Wolf-Schacht) changed its name in 1952 and was thereafter called Fortschritt shaft I (Fortschritt-Schacht I).
References:
Günther Jankowski (1987): Wichtige Kupferschiefer-Schächte in der Mansfelder Mulde.- Hettstedt u. Eisleben, 2nd ed., xx pp. (in German).
Mineral List:No entries listed.
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