{"data":{"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":"3500933","name":"TIMMONS QUARRY"},"operator":{"type":"operator","id":"L16153","name":"Southwest Quarries Llc"},"controller":{"type":"controller","id":"M12345","name":"Dale  Olson; Steven  Bennett"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01520","name":"C C Meisel Company Inc"},"object":{"type":"mine","id":"3500933","name":"TIMMONS QUARRY"},"validFrom":"1950-01-01","validTo":"1995-04-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500933|L01520|1950-01-01|1995-04-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01355","name":"Lloyd  Town et al"},"object":{"type":"mine","id":"3500933","name":"TIMMONS 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":"3500933|M01355|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01355","name":"Lloyd  Town et al"},"object":{"type":"operator","id":"L01520","name":"C C Meisel Company Inc"},"validFrom":"1950-01-01","validTo":"1995-04-25","current":false,"derived":true,"evidenceMineId":"3500933","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500933|L01520|1950-01-01|M01355|1950-01-01|118203"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14173","name":"Timmons Rock Company Inc"},"object":{"type":"mine","id":"3500933","name":"TIMMONS QUARRY"},"validFrom":"1995-04-26","validTo":"1998-05-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500933|L14173|1995-04-26|1998-05-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10831","name":"Craig  Timmons"},"object":{"type":"mine","id":"3500933","name":"TIMMONS QUARRY"},"validFrom":"1995-04-26","validTo":"1998-05-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500933|M10831|1995-04-26|1998-05-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10831","name":"Craig  Timmons"},"object":{"type":"operator","id":"L14173","name":"Timmons Rock Company Inc"},"validFrom":"1995-04-26","validTo":"1998-05-28","current":false,"derived":true,"evidenceMineId":"3500933","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500933|L14173|1995-04-26|M10831|1995-04-26|150119"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16153","name":"Southwest Quarries Llc"},"object":{"type":"mine","id":"3500933","name":"TIMMONS QUARRY"},"validFrom":"1998-05-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500933|L16153|1998-05-29|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12345","name":"Dale  Olson"},"object":{"type":"mine","id":"3500933","name":"TIMMONS QUARRY"},"validFrom":"1998-05-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500933|M12345|1998-05-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12345","name":"Dale  Olson"},"object":{"type":"operator","id":"L16153","name":"Southwest Quarries Llc"},"validFrom":"1998-05-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"3500933","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500933|L16153|1998-05-29|M12345|1998-05-29|153577"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12345","name":"Steven  Bennett"},"object":{"type":"operator","id":"L16153","name":"Southwest Quarries Llc"},"validFrom":"1998-05-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"3500933","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500933|L16153|1998-05-29|M12345|1998-05-29|153578"}}],"coverage":{"historyRecords":4,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3500933","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}