{"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":"2026-10-13T11:19:05.459773+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":"1401276","name":"HAYS PIT NO A-3"},"operator":{"type":"operator","id":"L09930","name":"Apac Kansas Inc Shears Division"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"mine","id":"1401276","name":"HAYS PIT NO A-3"},"validFrom":"1950-01-01","validTo":"2006-08-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|M00049|1950-01-01|2006-08-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00124","name":"Ronald C  Siebert"},"object":{"type":"mine","id":"1401276","name":"HAYS PIT NO A-3"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|M00124|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01707","name":"Grant  Stannard"},"object":{"type":"mine","id":"1401276","name":"HAYS PIT NO A-3"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|M01707|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00170","name":"Siebert Sand Company Inc"},"object":{"type":"mine","id":"1401276","name":"HAYS PIT NO A-3"},"validFrom":"1978-03-09","validTo":"1985-06-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|L00170|1978-03-09|1985-06-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00124","name":"Ronald C  Siebert"},"object":{"type":"operator","id":"L00170","name":"Siebert Sand Company Inc"},"validFrom":"1978-03-09","validTo":"1985-06-30","current":false,"derived":true,"evidenceMineId":"1401276","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|L00170|1978-03-09|M00124|1950-01-01|104727"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01895","name":"Allied Inc"},"object":{"type":"mine","id":"1401276","name":"HAYS PIT NO A-3"},"validFrom":"1985-07-01","validTo":"1999-04-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|L01895|1985-07-01|1999-04-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01707","name":"Grant  Stannard"},"object":{"type":"operator","id":"L01895","name":"Allied Inc"},"validFrom":"1985-07-01","validTo":"1999-04-26","current":false,"derived":true,"evidenceMineId":"1401276","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|L01895|1985-07-01|M01707|1950-01-01|120471"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17005","name":"Allied"},"object":{"type":"mine","id":"1401276","name":"HAYS PIT NO A-3"},"validFrom":"1999-04-27","validTo":"1999-10-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|L17005|1999-04-27|1999-10-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01576","name":"Superfos America Inc"},"object":{"type":"mine","id":"1401276","name":"HAYS PIT NO A-3"},"validFrom":"1999-04-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|M01576|1999-04-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01576","name":"Superfos America Inc"},"object":{"type":"operator","id":"L17005","name":"Allied"},"validFrom":"1999-04-27","validTo":"1999-10-18","current":false,"derived":true,"evidenceMineId":"1401276","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|L17005|1999-04-27|M01576|1999-04-27|119381"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09930","name":"Apac Kansas Inc Shears Division"},"object":{"type":"mine","id":"1401276","name":"HAYS PIT NO A-3"},"validFrom":"1999-10-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|L09930|1999-10-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"operator","id":"L09930","name":"Apac Kansas Inc Shears Division"},"validFrom":"1999-10-19","validTo":"2006-08-27","current":false,"derived":true,"evidenceMineId":"1401276","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|L09930|1999-10-19|M00049|1950-01-01|102592"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"1401276","name":"HAYS PIT NO A-3"},"validFrom":"2006-08-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|M06183|2006-08-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L09930","name":"Apac Kansas Inc Shears Division"},"validFrom":"2006-08-28","validTo":null,"current":true,"derived":true,"evidenceMineId":"1401276","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1401276|L09930|1999-10-19|M06183|2006-08-28|137215"}}],"coverage":{"historyRecords":5,"edgeCount":14,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1401276","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}