{"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":"4406537","name":"Mine #1"},"operator":{"type":"operator","id":"P23243","name":"Two M Coal Company Inc"},"controller":{"type":"controller","id":"C15309","name":"Addington Bill"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12463","name":"Roger  Coleman"},"object":{"type":"mine","id":"4406537","name":"Mine #1"},"validFrom":"1981-02-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|C12463|1981-02-06|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05954","name":"Amvest Corporation"},"object":{"type":"mine","id":"4406537","name":"Mine #1"},"validFrom":"1981-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|C05954|1981-03-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09519","name":"Murphy Ronald D"},"object":{"type":"mine","id":"4406537","name":"Mine #1"},"validFrom":"1988-10-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|C09519|1988-10-11|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19857","name":"Mc Murphy Mining Inc"},"object":{"type":"mine","id":"4406537","name":"Mine #1"},"validFrom":"1989-08-01","validTo":"1993-05-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|P19857|1989-08-01|1993-05-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09519","name":"Murphy Ronald D"},"object":{"type":"operator","id":"P19857","name":"Mc Murphy Mining Inc"},"validFrom":"1989-08-01","validTo":"1993-05-06","current":false,"derived":true,"evidenceMineId":"4406537","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|P19857|1989-08-01|C09519|1988-10-11|79891"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11639","name":"Big Fist Coal Company"},"object":{"type":"mine","id":"4406537","name":"Mine #1"},"validFrom":"1993-05-07","validTo":"1995-01-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|P11639|1993-05-07|1995-01-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12463","name":"Roger  Coleman"},"object":{"type":"operator","id":"P11639","name":"Big Fist Coal Company"},"validFrom":"1993-05-07","validTo":"1995-01-03","current":false,"derived":true,"evidenceMineId":"4406537","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|P11639|1993-05-07|C12463|1981-02-06|86940"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14356","name":"Davis Jerry M Et Al"},"object":{"type":"mine","id":"4406537","name":"Mine #1"},"validFrom":"1993-11-10","validTo":"1995-07-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|C14356|1993-11-10|1995-07-05"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11636","name":"Powell Mountain Coal Company Inc"},"object":{"type":"mine","id":"4406537","name":"Mine #1"},"validFrom":"1995-01-04","validTo":"1995-01-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|P11636|1995-01-04|1995-01-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05954","name":"Amvest Corporation"},"object":{"type":"operator","id":"P11636","name":"Powell Mountain Coal Company Inc"},"validFrom":"1995-01-04","validTo":"1995-01-30","current":false,"derived":true,"evidenceMineId":"4406537","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|P11636|1995-01-04|C05954|1981-03-01|70354"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22550","name":"Thor Coal Mining Company"},"object":{"type":"mine","id":"4406537","name":"Mine #1"},"validFrom":"1995-01-31","validTo":"1995-07-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|P22550|1995-01-31|1995-07-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14356","name":"Davis Jerry M Et Al"},"object":{"type":"operator","id":"P22550","name":"Thor Coal Mining Company"},"validFrom":"1995-01-31","validTo":"1995-07-05","current":false,"derived":true,"evidenceMineId":"4406537","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|P22550|1995-01-31|C14356|1993-11-10|92593"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23243","name":"Two M Coal Company Inc"},"object":{"type":"mine","id":"4406537","name":"Mine #1"},"validFrom":"1995-07-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|P23243|1995-07-06|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15309","name":"Addington Bill"},"object":{"type":"mine","id":"4406537","name":"Mine #1"},"validFrom":"1995-07-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|C15309|1995-07-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15309","name":"Addington Bill"},"object":{"type":"operator","id":"P23243","name":"Two M Coal Company Inc"},"validFrom":"1995-07-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"4406537","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406537|P23243|1995-07-06|C15309|1995-07-06|95234"}}],"coverage":{"historyRecords":5,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4406537","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"}}