{"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":"1516668","name":"No 3"},"operator":{"type":"operator","id":"P21941","name":"Quad Mining Company Inc"},"controller":{"type":"controller","id":"C06226","name":"Justus Donald"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08418","name":"Robinson Clyde"},"object":{"type":"mine","id":"1516668","name":"No 3"},"validFrom":"1980-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|C08418|1980-12-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03276","name":"Kenneth  Hurley et al"},"object":{"type":"mine","id":"1516668","name":"No 3"},"validFrom":"1986-08-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|C03276|1986-08-22|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17934","name":"Hope Mining Inc"},"object":{"type":"mine","id":"1516668","name":"No 3"},"validFrom":"1989-07-01","validTo":"1990-06-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|P17934|1989-07-01|1990-06-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03276","name":"Kenneth  Hurley et al"},"object":{"type":"operator","id":"P17934","name":"Hope Mining Inc"},"validFrom":"1989-07-01","validTo":"1990-06-19","current":false,"derived":true,"evidenceMineId":"1516668","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|P17934|1989-07-01|C03276|1986-08-22|62375"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03276","name":"Bernie  Hurley et al"},"object":{"type":"operator","id":"P17934","name":"Hope Mining Inc"},"validFrom":"1989-07-01","validTo":"1990-06-19","current":false,"derived":true,"evidenceMineId":"1516668","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|P17934|1989-07-01|C03276|1986-08-22|62376"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13985","name":"Coleman Clifford & Mike"},"object":{"type":"mine","id":"1516668","name":"No 3"},"validFrom":"1989-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|C13985|1989-10-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11187","name":"Betty Coal Company Inc"},"object":{"type":"mine","id":"1516668","name":"No 3"},"validFrom":"1990-06-20","validTo":"1991-04-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|P11187|1990-06-20|1991-04-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08418","name":"Robinson Clyde"},"object":{"type":"operator","id":"P11187","name":"Betty Coal Company Inc"},"validFrom":"1990-06-20","validTo":"1991-04-03","current":false,"derived":true,"evidenceMineId":"1516668","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|P11187|1990-06-20|C08418|1980-12-01|77261"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20554","name":"Indian Creek Mining Inc"},"object":{"type":"mine","id":"1516668","name":"No 3"},"validFrom":"1991-04-04","validTo":"1992-11-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|P20554|1991-04-04|1992-11-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13985","name":"Coleman Clifford & Mike"},"object":{"type":"operator","id":"P20554","name":"Indian Creek Mining Inc"},"validFrom":"1991-04-04","validTo":"1992-11-24","current":false,"derived":true,"evidenceMineId":"1516668","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|P20554|1991-04-04|C13985|1989-10-01|91634"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06226","name":"Justus Donald Et Al"},"object":{"type":"mine","id":"1516668","name":"No 3"},"validFrom":"1992-04-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|C06226|1992-04-22|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21941","name":"Quad Mining Company Inc"},"object":{"type":"mine","id":"1516668","name":"No 3"},"validFrom":"1992-11-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|P21941|1992-11-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06226","name":"Justus Donald Et Al"},"object":{"type":"operator","id":"P21941","name":"Quad Mining Company Inc"},"validFrom":"1992-11-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"1516668","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516668|P21941|1992-11-25|C06226|1992-04-22|71247"}}],"coverage":{"historyRecords":5,"edgeCount":13,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1516668","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"}}