{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3304550","name":"Salt Run Mine #1","status":"Abandoned","status_date":"2018-08-31","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"OH","county":"Jefferson","nearest_town":"Rayland","operator_id":"0063603","operator_name":"Ohio American Energy Incorporated","controller_id":"0157801","controller_name":"ACNR Holdings, Inc","district":"C03","office":"St. Clairsville OH Field Office","employees":0,"latitude":40.26003,"longitude":-80.697829},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":1252},"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":"3304550","name":"Salt Run Mine #1"},"operator":{"type":"operator","id":"0063603","name":"Ohio American Energy Incorporated"},"controller":{"type":"controller","id":"0157801","name":"ACNR Holdings, Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0063603","name":"Ohio American Energy Incorporated"},"object":{"type":"mine","id":"3304550","name":"Salt Run Mine #1"},"validFrom":"2005-08-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304550|0063603|2005-08-18|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"mine","id":"3304550","name":"Salt Run Mine #1"},"validFrom":"2005-08-18","validTo":"2020-09-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304550|C13408|2005-08-18|2020-09-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"operator","id":"0063603","name":"Ohio American Energy Incorporated"},"validFrom":"2005-08-18","validTo":"2020-09-16","current":false,"derived":true,"evidenceMineId":"3304550","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304550|0063603|2005-08-18|C13408|2005-08-18|89576"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0157801","name":"ACNR Holdings, Inc"},"object":{"type":"mine","id":"3304550","name":"Salt Run Mine #1"},"validFrom":"2020-09-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304550|0157801|2020-09-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0157801","name":"ACNR Holdings, Inc"},"object":{"type":"operator","id":"0063603","name":"Ohio American Energy Incorporated"},"validFrom":"2020-09-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304550","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304550|0063603|2005-08-18|0157801|2020-09-17|32643"}}],"coverage":{"historyRecords":2,"edgeCount":5,"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":50,"firstDate":"2008-01-28","lastDate":"2014-07-25","metrics":{"daysLost":1095,"injuries":49,"fatalities":1,"recentRows":0,"restrictedDays":96,"contractorRecords":8},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"23991","DOCUMENT_NO":"220142130079","ACCIDENT_DT":"07/25/2014","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by... 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