Drilling deep, costs high at Pebble
Northern Dynasty aims to triple the amount of drilling done last year using eight rigs operating 24/7, supported by helicopters
Last updated 7/29/2007 at Noon
At the site of Alaska's most controversial mining project, Pebble, near-tranquility reigns. Out on the mossy tundra, surrounded by deep blue lakes and streams, mountains and sky, the drone from the drill rigs and the buzzing of helicopters are the only disturbances. Away from the deposit itself, field crews conduct environmental studies in spots that would be ideal for picnicking, if they weren...