Mining Firms Dig Deeper To Lure Scarce Workers.

The article discusses a scarcity of skilled mining workers. A lack of workers forced Nittetsu Mining Co. to curb its expansion plans. Mining company BHP Billiton says the shortage has forced it to fly in workers to coal-mining operations it has in Australia. Mining firm Rio Tinto says the labor shortage is prompting it to find ways of automating mining work.