{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4103929","name":"Voca Plant","status":"Abandoned","status_date":"2019-02-04","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"TX","county":"Mcculloch","nearest_town":"Voca","operator_id":"L00645","operator_name":"Covia Holdings Corporaton","controller_id":"0159743","controller_name":"Covia Holdings LLC","district":"M5","office":"Dallas TX Field Office","employees":0,"latitude":30.993056,"longitude":-99.178889},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":1272},"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":"4103929","name":"Voca Plant"},"operator":{"type":"operator","id":"L00645","name":"Covia Holdings Corporaton"},"controller":{"type":"controller","id":"0159743","name":"Covia Holdings LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00538","name":"S C R-Sibelco Nv et al"},"object":{"type":"mine","id":"4103929","name":"Voca Plant"},"validFrom":"1950-01-01","validTo":"2020-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4103929|M00538|1950-01-01|2020-12-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00645","name":"Covia Holdings Corporaton"},"object":{"type":"mine","id":"4103929","name":"Voca Plant"},"validFrom":"1996-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4103929|L00645|1996-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00538","name":"S C R-Sibelco Nv et al"},"object":{"type":"operator","id":"L00645","name":"Covia Holdings Corporaton"},"validFrom":"1996-09-01","validTo":"2020-12-31","current":false,"derived":true,"evidenceMineId":"4103929","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4103929|L00645|1996-09-01|M00538|1950-01-01|112903"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0159743","name":"Covia Holdings LLC"},"object":{"type":"mine","id":"4103929","name":"Voca Plant"},"validFrom":"2021-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4103929|0159743|2021-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0159743","name":"Covia Holdings LLC"},"object":{"type":"operator","id":"L00645","name":"Covia Holdings Corporaton"},"validFrom":"2021-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4103929","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4103929|L00645|1996-09-01|0159743|2021-01-01|33269"}}],"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":"2001-05-02","lastDate":"2018-08-16","metrics":{"daysLost":732,"injuries":50,"fatalities":0,"recentRows":0,"restrictedDays":382,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"37528","DOCUMENT_NO":"220182340014","ACCIDENT_DT":"08/16/2018","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"1","NARRATIVE":"Employee was performing housekeeping activities in our warehouse. 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