SW-4 shaft hale already reached a depth of 500 metres

SW-4 shaft hale already reached a depth of 500 metres

Published 02 November 2009

After 16 months of shaft sinking SW-4 reached 500 metres deep into the earth. It is another decisive moment now in the country and one of the biggest mining undertakings for unproductive development. KGHM Polska Miedź S.A. is the Investor of the shaft.

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