{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4000083","name":"Oak Ridge Quarry & Mill","status":"Active","status_date":"2013-11-20","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"TN","county":"Anderson","nearest_town":"Oak Ridge","operator_id":"L06514","operator_name":"Rogers Group Inc","controller_id":"M00452","controller_name":"Rogers Group Inc","district":"C07","office":"Knoxville TN Field Office","employees":21,"latitude":36.012222,"longitude":-84.203611},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":2115},"relationships":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-13T11:19:05.459773+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"4000083","name":"Oak Ridge Quarry & Mill"},"operator":{"type":"operator","id":"L06514","name":"Rogers Group Inc"},"controller":{"type":"controller","id":"M00452","name":"Rogers Group Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06514","name":"Rogers Group Inc"},"object":{"type":"mine","id":"4000083","name":"Oak Ridge Quarry & Mill"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4000083|L06514|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00452","name":"Rogers Group Inc"},"object":{"type":"mine","id":"4000083","name":"Oak Ridge Quarry & Mill"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4000083|M00452|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00452","name":"Rogers Group Inc"},"object":{"type":"operator","id":"L06514","name":"Rogers Group Inc"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4000083","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4000083|L06514|1950-01-01|M00452|1950-01-01|111144"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":14,"firstDate":"2001-06-05","lastDate":"2022-07-06","metrics":{"daysLost":309,"injuries":14,"fatalities":0,"recentRows":2,"restrictedDays":107,"contractorRecords":1},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2986","DOCUMENT_NO":"220221920012","ACCIDENT_DT":"07/06/2022","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"65","NARRATIVE":"Employee was trying to loosen a 5-1/2' cone crusher after it had blown a hydraulic line going to the clamping system. 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Resulting in a small laceration approx. 3/4\" in length to the top of their head.","sourceDate":"2021-03-02"},{"SOURCE_ROW_NUMBER":"45887","DOCUMENT_NO":"220183270015","ACCIDENT_DT":"11/19/2018","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was prying a hinge bolt from the clamping section of a Hazemag crusher.","sourceDate":"2018-11-19"},{"SOURCE_ROW_NUMBER":"192035","DOCUMENT_NO":"220181730026","ACCIDENT_DT":"05/29/2018","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver","NO_INJURIES":"1","DAYS_LOST":"4","NARRATIVE":"While driving haul truck loaded with rock, miner engaged manual brake retarder which resulted in locking up rear wheels and put truck in uncontrollable slide. Truck came to stop at end of haul road and ran into a pile of material.","sourceDate":"2018-05-29"},{"SOURCE_ROW_NUMBER":"217990","DOCUMENT_NO":"220172610023","ACCIDENT_DT":"08/04/2017","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver","NO_INJURIES":"1","DAYS_LOST":"4","NARRATIVE":"A haul truck driver claimed ee hurt back after removing several \"cantaloupe\" size rocks from the haul road. EE did not inform supervisor until Friday the 11th.  An investigation was begun involving safety, risk management and insurance providers to determine cause of injury being work related or not.","sourceDate":"2017-08-04"},{"SOURCE_ROW_NUMBER":"37337","DOCUMENT_NO":"220131770004","ACCIDENT_DT":"06/17/2013","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","DAYS_LOST":"1","NARRATIVE":"Employee was in the process of installing the lid on a VSI. Miners were using a telehandle to lower the VSI lid back into place. The lid was slightly misaligned. Miner used a pry bar to move lid into place. As he began to pry, the lid shifted and dropped into place and pinched the bar causing it to flip up and strike the left side of the miners face.","sourceDate":"2013-06-17"},{"SOURCE_ROW_NUMBER":"41532","DOCUMENT_NO":"220100640016","ACCIDENT_DT":"01/11/2010","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Over-exertion in pulling or pushing objects","OCCUPATION":"Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor","NO_INJURIES":"1","DAYS_LOST":"45","NARRATIVE":"Employee was tightening bolts on a pin cover plate.  The employee felt a pain in his shoulder while tightening the bolts.  He did not wish to see a dr at the time.  He requested to see a doctor on 1/21/10 and taken on that date.  He was told he needed an MRI and to see an orthopedic surgeon.  The surgeon informed him on 2/24/10 that he had a torn tendon in his shoulder.","sourceDate":"2010-01-11"},{"SOURCE_ROW_NUMBER":"183583","DOCUMENT_NO":"220091270022","ACCIDENT_DT":"03/18/2009","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in wielding or throwing objects","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was throwing welding leads over a highwall for work that had to be done on the water line that came from the pit pump. When he threw the welding leads, he felt a pain in his shoulder. He did not wish to see a dr at the time. On 3/30/09 he requested to see a dr. On 4/27/09 he was prescribed four rounds of physcial therapy making this a reportable injury.","sourceDate":"2009-03-18"},{"SOURCE_ROW_NUMBER":"33037","DOCUMENT_NO":"220082950002","ACCIDENT_DT":"10/04/2008","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"26","NARRATIVE":"Employee was carrying 5' long piece of 8\" c-channel with another employee.  Employee's boot laces got caught on a piece of expanded metal, causing him to lose his balance.  When the employee fell, he landed on his right wrist and right knee.  Employee complained of swelling of the wirst the following Monday (10/6/2008).","sourceDate":"2008-10-04"},{"SOURCE_ROW_NUMBER":"20088","DOCUMENT_NO":"220081910016","ACCIDENT_DT":"04/04/2008","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Blaster, Shooter, Shotfirer, Explosive worker, Powder gang/monkey","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Claim reported to me on 7/7/08 - Loading a shot, the discharge hose on the auger (8-10 feet long) fell on back, went for TX on 6/30/08.","sourceDate":"2008-04-04"},{"SOURCE_ROW_NUMBER":"136124","DOCUMENT_NO":"220071500004","ACCIDENT_DT":"05/18/2007","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by... 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