{"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":"0201881","name":"Tiger Open Pit Mine"},"operator":{"type":"operator","id":"L09311","name":"Magma Copper Company"},"controller":{"type":"controller","id":"M07326","name":"Magma Copper Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00165","name":"Newmont Corporation"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"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":"0201881|M00165|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00641","name":"Sidney  Hullinger et al"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"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":"0201881|M00641|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00718","name":"Andrew J  Gilbert III"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"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":"0201881|M00718|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01254","name":"Wainwright Gordon"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"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":"0201881|M01254|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04016","name":"Wilcock J W"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"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":"0201881|M04016|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01409","name":"Gordon Wainwright-Contractor"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"validFrom":"1978-03-09","validTo":"1979-05-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L01409|1978-03-09|1979-05-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01254","name":"Wainwright Gordon"},"object":{"type":"operator","id":"L01409","name":"Gordon Wainwright-Contractor"},"validFrom":"1978-03-09","validTo":"1979-05-14","current":false,"derived":true,"evidenceMineId":"0201881","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L01409|1978-03-09|M01254|1950-01-01|117677"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04975","name":"Joy Manufacturing Company"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"validFrom":"1979-05-15","validTo":"1980-08-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L04975|1979-05-15|1980-08-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04016","name":"Wilcock J W"},"object":{"type":"operator","id":"L04975","name":"Joy Manufacturing Company"},"validFrom":"1979-05-15","validTo":"1980-08-27","current":false,"derived":true,"evidenceMineId":"0201881","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L04975|1979-05-15|M04016|1950-01-01|130727"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00189","name":"Magma Copper Company"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"validFrom":"1980-08-28","validTo":"1985-03-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L00189|1980-08-28|1985-03-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00165","name":"Newmont Corporation"},"object":{"type":"operator","id":"L00189","name":"Magma Copper Company"},"validFrom":"1980-08-28","validTo":"1985-03-10","current":false,"derived":true,"evidenceMineId":"0201881","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L00189|1980-08-28|M00165|1950-01-01|105451"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00858","name":"A J Gilbert Construction Company"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"validFrom":"1985-03-11","validTo":"1987-05-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L00858|1985-03-11|1987-05-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00718","name":"Andrew J  Gilbert III"},"object":{"type":"operator","id":"L00858","name":"A J Gilbert Construction Company"},"validFrom":"1985-03-11","validTo":"1987-05-04","current":false,"derived":true,"evidenceMineId":"0201881","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L00858|1985-03-11|M00718|1950-01-01|114320"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07326","name":"Magma Copper Company"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"validFrom":"1987-03-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|M07326|1987-03-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00778","name":"Mc Farland & Hullinger"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"validFrom":"1987-05-05","validTo":"1989-08-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L00778|1987-05-05|1989-08-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00641","name":"Sidney  Hullinger et al"},"object":{"type":"operator","id":"L00778","name":"Mc Farland & Hullinger"},"validFrom":"1987-05-05","validTo":"1989-08-03","current":false,"derived":true,"evidenceMineId":"0201881","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L00778|1987-05-05|M00641|1950-01-01|113649"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00641","name":"Fayette  McFarland et al"},"object":{"type":"operator","id":"L00778","name":"Mc Farland & Hullinger"},"validFrom":"1987-05-05","validTo":"1989-08-03","current":false,"derived":true,"evidenceMineId":"0201881","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L00778|1987-05-05|M00641|1950-01-01|113650"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09311","name":"Magma Copper Company"},"object":{"type":"mine","id":"0201881","name":"Tiger Open Pit Mine"},"validFrom":"1989-08-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L09311|1989-08-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07326","name":"Magma Copper Company"},"object":{"type":"operator","id":"L09311","name":"Magma Copper Company"},"validFrom":"1989-08-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"0201881","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201881|L09311|1989-08-04|M07326|1987-03-10|140661"}}],"coverage":{"historyRecords":7,"edgeCount":19,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0201881","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"}}