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petra-july-12-2007
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Priscilla Petra held a photo of her late husband Bill Petra, who was killed in the Darby coal mine explosion last year. The Darby explosion, and another in West Virginia in January 2006, involved flawed seals. (MSHA hearing on Mine Seals, July 12, 2007)
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petra-july-12-2007
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Priscilla Petra held a photo of her late husband Bill Petra, who was killed in the Darby coal mine explosion last year. The Darby explosion, and another in West Virginia in January 2006, involved flawed seals. (MSHA hearing on Mine Seals, July 12, 2007) Photo by Sam Upshaw Jr., The Courier-Journal http://www.courier-journal.com/apps/pbcs.dll/article?AID=/20070713/NEWS01/707130463
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