The groups, which include The Sierra Club, Alliance for Appalachia and Greenpeace, say they will send more than 500,000 e-mails to individuals Thursday and Friday to press their campaign to halt Massey's mining operation on Coal River Mountain.
The groups say the mountain should be preserved as a wind farm and not mined for its coal reserves.
They want President Barack Obama and the U.S. Environmental Protection Agency to step in a stop the mining.
West Virginia Gov. Joe Manchin has said he won't interfere because Massey has valid state permits to mine the mountain.
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