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Date: 2008-02-22 20:07:32Somerset County Pennsylvania Copiapó mining accident Mark S. Schweiker Mining accident Somerset Pennsylvania Mine rescue Critical Situation Dick Stickler Mining Pennsylvania Quecreek Mine Rescue | ISSUE 4 safety AT WORK Volume 4 Issue 4 November 19, 2002Add to Reading ListSource URL: pandora.nla.gov.auDownload Document from Source WebsiteFile Size: 1,54 MBShare Document on Facebook |