{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"3101973","name":"Lake Norman Quarry","status":"Active","status_date":"1985-03-05","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Granite","state":"NC","county":"Lincoln","nearest_town":"Stanley","operator_id":"L07816","operator_name":"B V Hedrick Gravel & Sand Co","controller_id":"M00127","controller_name":"Jeffrey  Goodman","district":"C05","office":"Sanford NC Field Office","employees":41,"latitude":35.428611,"longitude":-81.017222},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":1973},"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":"3101973","name":"Lake Norman Quarry"},"operator":{"type":"operator","id":"L07816","name":"B V Hedrick Gravel & Sand Co"},"controller":{"type":"controller","id":"M00127","name":"Jeffrey  Goodman"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00127","name":"Jeffrey  Goodman et al"},"object":{"type":"mine","id":"3101973","name":"Lake Norman 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":"3101973|M00127|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07816","name":"B V Hedrick Gravel & Sand Co"},"object":{"type":"mine","id":"3101973","name":"Lake Norman Quarry"},"validFrom":"1985-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3101973|L07816|1985-03-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00127","name":"Jeffrey  Goodman et al"},"object":{"type":"operator","id":"L07816","name":"B V Hedrick Gravel & Sand Co"},"validFrom":"1985-03-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3101973","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3101973|L07816|1985-03-01|M00127|1950-01-01|104797"}}],"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":52,"firstDate":"2000-01-06","lastDate":"2024-06-07","metrics":{"daysLost":1073,"injuries":52,"fatalities":0,"recentRows":7,"restrictedDays":665,"contractorRecords":1},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"53889","DOCUMENT_NO":"220241630005","ACCIDENT_DT":"06/07/2024","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... 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