FILE - In this Nov. 29, 2010 file photo, a miner lays down flowers at White Knight Bridge near the entrance to the Pike River mine where 29 miners died, in Greymouth, New Zealand. Australian drilling ... more 
FILE - In this Nov. 29, 2010 file photo, a miner lays down flowers at White Knight Bridge near the entrance to the Pike River mine where 29 miners died, in Greymouth, New Zealand. Australian drilling company VLI Drilling pleaded guilty Tuesday, July 31, 2012, to three health-and-safety violations in connection with the 2010 coal mine disaster in New Zealand. (AP Photo/NZPA, Ross Setford, File) NEW ZEALAND OUT less 
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Associated Press | Photo By NZPA, Ross Setford, File
Tue, Jul 31, 2012 7:26 AM EDT