Harmony Gold Mining Co. Ltd.
We also own the Kalgold open-pit mine on the Kraaipan Greenstone Belt as well as several surface treatment operations. Read more. Papua New Guinea. We operate Hidden Valley, an open-pit gold and silver mine in the Morobe Province where we also hold a 50% stake in the Wafi-Golpu copper-gold project, a joint venture with Newcrest Mining Limited. Read more. A responsible operator. The