{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"4801705","name":"Hunter Quarry","status":"Abandoned","status_date":"2014-08-25","mine_type":"Surface","coal_metal":"M","commodity":"Dimension Limestone","state":"WY","county":"Crook","nearest_town":"Sundance","operator_id":"L00438","operator_name":"Pete Lien & Sons Inc","controller_id":"M00359","controller_name":"Pete Lien & Sons Inc","district":"C09","office":"Lakewood District","employees":0,"latitude":44.338056,"longitude":-104.211111},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":74},"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":"2026-10-17T05:35:58.500035+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":"4801705","name":"Hunter Quarry"},"operator":{"type":"operator","id":"L00438","name":"Pete Lien & Sons Inc"},"controller":{"type":"controller","id":"M00359","name":"Pete Lien & Sons Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00359","name":"Pete Lien & Sons Inc"},"object":{"type":"mine","id":"4801705","name":"Hunter Quarry"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801705|M00359|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00438","name":"Pete Lien & Sons Inc"},"object":{"type":"mine","id":"4801705","name":"Hunter Quarry"},"validFrom":"2007-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801705|L00438|2007-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00359","name":"Pete Lien & Sons Inc"},"object":{"type":"operator","id":"L00438","name":"Pete Lien & Sons Inc"},"validFrom":"2007-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4801705","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801705|L00438|2007-04-01|M00359|1950-01-01|110092"}}],"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":8,"firstDate":"2007-10-13","lastDate":"2013-07-12","metrics":{"daysLost":27,"injuries":10,"fatalities":0,"recentRows":0,"restrictedDays":149,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"98712","DOCUMENT_NO":"220132170057","ACCIDENT_DT":"07/12/2013","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","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":"0","NARRATIVE":"7/12/2013 EE was driving truck on site, he drove over a bumpy portion of the mine road causing his elbow to strike the arm rest.  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