{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"4607315","name":"Letart 1","status":"Active","status_date":"1992-08-24","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WV","county":"Mason","nearest_town":"Gallipolis Ferry","operator_id":"L12524","operator_name":"Letart Corp","controller_id":"M09604","controller_name":"Jon P Thompson; Roy  Thompson","district":"C04","office":"Madison WV Field Office","employees":11,"latitude":38.783889,"longitude":-82.200556},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":363},"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":"4607315","name":"Letart 1"},"operator":{"type":"operator","id":"L12524","name":"Letart Corp"},"controller":{"type":"controller","id":"M09604","name":"Jon P Thompson; Roy  Thompson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12524","name":"Letart Corp"},"object":{"type":"mine","id":"4607315","name":"Letart 1"},"validFrom":"1987-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4607315|L12524|1987-06-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09604","name":"Roy  Thompson et al"},"object":{"type":"mine","id":"4607315","name":"Letart 1"},"validFrom":"1987-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4607315|M09604|1987-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09604","name":"Roy  Thompson et al"},"object":{"type":"operator","id":"L12524","name":"Letart Corp"},"validFrom":"1987-06-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4607315","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4607315|L12524|1987-06-01|M09604|1987-06-01|146841"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09604","name":"Jon P Thompson et al"},"object":{"type":"operator","id":"L12524","name":"Letart Corp"},"validFrom":"1987-06-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4607315","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4607315|L12524|1987-06-01|M09604|1987-06-01|146842"}}],"coverage":{"historyRecords":2,"edgeCount":4,"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":16,"firstDate":"2001-01-22","lastDate":"2026-02-11","metrics":{"daysLost":56,"injuries":16,"fatalities":0,"recentRows":3,"restrictedDays":5,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"214494","DOCUMENT_NO":"220260490012","ACCIDENT_DT":"02/11/2026","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"2","NARRATIVE":"The employee was moving a generator and dismounted the machine to pick up a power cord dragging the ground. 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When he did the float pinched is hand between the hull and the float cutting the middle finger of the left hand.","sourceDate":"2015-04-13"},{"SOURCE_ROW_NUMBER":"227399","DOCUMENT_NO":"220130290025","ACCIDENT_DT":"01/28/2013","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Miner was cutting a 2\" piece of rubber hose with a retractable razor knife.  Upon completion of the cut, the knife, held in his right hand, slipped and stabbed him in the back of his left hand.  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