Guarded by SS staff, around 400 female prisoners were forced to expand the former potash mine and to lay train tracks to it, work carried out by the company Hochtief.
Valvatuna SS personali poolt, sunniti umbes 400 naisvangi laiendama endist potasekaevandust ja paigaldama sinna rööbasteed, töid teostas firma Hochtief.