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AAP
AAP
Business
Kaaren Morrissey

Miner digs deep to extend life of old copper operation

copper CSA Lukas Coch Australia Harmony New South Wales Yancoal
Owners have announced plans to double the life of the CSA copper mine in NSW. (Lukas Coch/AAP PHOTOS)

The new owner of one of Australia's deepest underground copper mines wants to double the life of the asset by digging even deeper.

The CSA mine, 14km northwest of Cobar in central-western NSW, extends almost two kilometres below the surface and has about 45 levels.

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