Headframe Zollern II/IVHeadframe Zollern II/IVMachine hall after renovation
The Zeche Zollern II/IV (translated: Zollern II/IV Colliery) is located in the northwestern suburb of Bövinghausen of Dortmund, Germany. The Gelsenkirchener Bergwerks-AG projected Zollern in 1898 as a model colliery.[1]