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Date of Incident Mine Name Operating Company Determination Report
January 22, 2013 Delaware Sand Plant Anchor Stone Company Natural Causes See Report
February 19, 2013 Crusher #1 Intermountain Concrete Co. Natural Causes See Report

Incidents Occurring in 2011 but Determined in 2013

Date of Incident Mine Name Operating Company Determination Report
January 21, 2011 Little Rock Site Quality Rock Products Natural Causes See Report
September 22, 2011 Empire Quarry Indiana Limestone Company, Inc. Natural Causes See Report
November 6, 2011 Rochester Mine Coeur Rochester, Inc. Natural Causes See Report

Incidents Occurring in 2012 but Determined in 2013

Date of Incident Mine Name Operating Company Determination Report
February 20, 2012 Mt. Pass Mine & Mill MolyCorp Minerals Natural Causes See Report
February 24, 2012 Alby Quarry GP Material, Inc. Trespassing See Report
May 25, 2012 Wilson County Quarry Vulcan Construction Materials, L.P. Natural Causes See Report
June 27, 2012 Bristol Sand and Gravel Hanson Aggregates, LLC Natural Causes See Report
August 11, 2012 Racine Quarry Vulcan Construction Materials, L.P. Suicide See Report
August 15, 2012 S & L Materials, Inc. S & L Materials, Inc. Natural Causes See Report
August 29, 2012 Thornton Quarry Hanson Material Service Trespassing See Report
September 1, 2012 National Cement Company National Cement Company of Alabama, Inc. Trespassing See Report
September 9, 2012 Unimin Corp Unimin Corp Natural Causes See Report
October 2, 2012 Rock Plant P W Gillibrand Company Trespassing See Report
October 3, 2012 Avery Pit Pacific Northwest Aggregates, Inc. Natural Causes See Report
October 4, 2012 E.I.A. Sand and Gravel 2 E.I.A., LLC Natural Causes See Report
October 5, 2012 Linwood Lime Plant Linwood Mining and Minerals Corporation Suicide See Report
October 16, 2012 Puddledock Sand & Gravel Vulcan Construction Materials, L.P. Natural Causes See Report
October 25, 2012 Staunton Lime Company Staunton Lime Company Natural Causes See Report
October 27, 2012 Emigrant Mine Newmont USA, Ltd. Natural Causes See Report
October 30, 2012 New Britain Quarry Tilcon Connecticut, Inc. Suicide See Report
November 6, 2012 Plant 1 Southern Aggregates LLC Delaware Natural Causes See Report
November 17, 2012 Flemingsburg Quarry Hanson Aggregates Midwest, LLC. Trespassing See Report
November 18, 2012 Raleigh Quarry Hanson Aggregates Southeast, LLC. Trespassing See Report
November 30, 2012 South Fort Meade Mine Mosaic Fertilizer, LLC. Natural Causes See Report
December 21, 2012 Barin Quarry Vulcan Construction Materials, L.P. Natural Causes See Report