{"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":"3503360","name":"Da-Tone Rock Products, Inc."},"operator":{"type":"operator","id":"L16131","name":"Da-Tone Rock Products, Inc."},"controller":{"type":"controller","id":"0114443","name":"Casey  McLennan"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L32412","name":"Da-Tone Construction"},"object":{"type":"mine","id":"3503360","name":"Da-Tone Rock Products, Inc."},"validFrom":"1991-10-01","validTo":"1998-07-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|L32412|1991-10-01|1998-07-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M32412","name":"Robert B  Allsup"},"object":{"type":"mine","id":"3503360","name":"Da-Tone Rock Products, Inc."},"validFrom":"1991-10-01","validTo":"1998-07-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|M32412|1991-10-01|1998-07-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M32412","name":"Robert B  Allsup"},"object":{"type":"operator","id":"L32412","name":"Da-Tone Construction"},"validFrom":"1991-10-01","validTo":"1998-07-14","current":false,"derived":true,"evidenceMineId":"3503360","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|L32412|1991-10-01|M32412|1991-10-01|160895"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16131","name":"Da-Tone Rock Products, Inc."},"object":{"type":"mine","id":"3503360","name":"Da-Tone Rock Products, Inc."},"validFrom":"1998-07-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|L16131|1998-07-15|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12325","name":"Mike  Beckley et al"},"object":{"type":"mine","id":"3503360","name":"Da-Tone Rock Products, Inc."},"validFrom":"1998-07-15","validTo":"2012-01-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|M12325|1998-07-15|2012-01-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12325","name":"Mike  Beckley et al"},"object":{"type":"operator","id":"L16131","name":"Da-Tone Rock Products, Inc."},"validFrom":"1998-07-15","validTo":"2012-01-22","current":false,"derived":true,"evidenceMineId":"3503360","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|L16131|1998-07-15|M12325|1998-07-15|153547"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12325","name":"Sam  Williams  et al"},"object":{"type":"operator","id":"L16131","name":"Da-Tone Rock Products, Inc."},"validFrom":"1998-07-15","validTo":"2012-01-22","current":false,"derived":true,"evidenceMineId":"3503360","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|L16131|1998-07-15|M12325|1998-07-15|153548"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12325","name":"Steve  Salisbury et al"},"object":{"type":"operator","id":"L16131","name":"Da-Tone Rock Products, Inc."},"validFrom":"1998-07-15","validTo":"2012-01-22","current":false,"derived":true,"evidenceMineId":"3503360","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|L16131|1998-07-15|M12325|1998-07-15|153549"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0110243","name":"Casey  McLennan et al"},"object":{"type":"mine","id":"3503360","name":"Da-Tone Rock Products, Inc."},"validFrom":"2012-01-23","validTo":"2014-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|0110243|2012-01-23|2014-07-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0110243","name":"Casey  McLennan et al"},"object":{"type":"operator","id":"L16131","name":"Da-Tone Rock Products, Inc."},"validFrom":"2012-01-23","validTo":"2014-07-31","current":false,"derived":true,"evidenceMineId":"3503360","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|L16131|1998-07-15|0110243|2012-01-23|20154"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0110243","name":"Sam  Williams et al"},"object":{"type":"operator","id":"L16131","name":"Da-Tone Rock Products, Inc."},"validFrom":"2012-01-23","validTo":"2014-07-31","current":false,"derived":true,"evidenceMineId":"3503360","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|L16131|1998-07-15|0110243|2012-01-23|20155"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0114443","name":"Casey  McLennan"},"object":{"type":"mine","id":"3503360","name":"Da-Tone Rock Products, Inc."},"validFrom":"2014-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|0114443|2014-08-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0114443","name":"Casey  McLennan"},"object":{"type":"operator","id":"L16131","name":"Da-Tone Rock Products, Inc."},"validFrom":"2014-08-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3503360","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3503360|L16131|1998-07-15|0114443|2014-08-01|21508"}}],"coverage":{"historyRecords":7,"edgeCount":13,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3503360","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"}}