{"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":"4405957","name":"No 1"},"operator":{"type":"operator","id":"P17583","name":"Little Boot Mining Company Inc"},"controller":{"type":"controller","id":"C10328","name":"Cole Lonnie W"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14205","name":"J & K Coal Company Inc"},"object":{"type":"mine","id":"4405957","name":"No 1"},"validFrom":"1982-10-01","validTo":"1985-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|P14205|1982-10-01|1985-04-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10342","name":"Harman James E"},"object":{"type":"mine","id":"4405957","name":"No 1"},"validFrom":"1982-10-01","validTo":"1985-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|C10342|1982-10-01|1985-04-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10342","name":"Harman James E"},"object":{"type":"operator","id":"P14205","name":"J & K Coal Company Inc"},"validFrom":"1982-10-01","validTo":"1985-04-30","current":false,"derived":true,"evidenceMineId":"4405957","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|P14205|1982-10-01|C10342|1982-10-01|81793"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16700","name":"Charrich Company"},"object":{"type":"mine","id":"4405957","name":"No 1"},"validFrom":"1985-05-01","validTo":"1985-12-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|P16700|1985-05-01|1985-12-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11831","name":"Lockhart Charles"},"object":{"type":"mine","id":"4405957","name":"No 1"},"validFrom":"1985-05-01","validTo":"1985-12-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|C11831|1985-05-01|1985-12-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11831","name":"Lockhart Charles"},"object":{"type":"operator","id":"P16700","name":"Charrich Company"},"validFrom":"1985-05-01","validTo":"1985-12-16","current":false,"derived":true,"evidenceMineId":"4405957","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|P16700|1985-05-01|C11831|1985-05-01|85529"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17307","name":"Harmco Coal Company Inc"},"object":{"type":"mine","id":"4405957","name":"No 1"},"validFrom":"1985-12-17","validTo":"1986-04-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|P17307|1985-12-17|1986-04-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12194","name":"Harman Cody"},"object":{"type":"mine","id":"4405957","name":"No 1"},"validFrom":"1985-12-17","validTo":"1986-04-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|C12194|1985-12-17|1986-04-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12194","name":"Harman Cody"},"object":{"type":"operator","id":"P17307","name":"Harmco Coal Company Inc"},"validFrom":"1985-12-17","validTo":"1986-04-20","current":false,"derived":true,"evidenceMineId":"4405957","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|P17307|1985-12-17|C12194|1985-12-17|86337"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17583","name":"Little Boot Mining Company Inc"},"object":{"type":"mine","id":"4405957","name":"No 1"},"validFrom":"1986-04-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|P17583|1986-04-21|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10328","name":"Cole Lonnie W"},"object":{"type":"mine","id":"4405957","name":"No 1"},"validFrom":"1986-04-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|C10328|1986-04-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10328","name":"Cole Lonnie W"},"object":{"type":"operator","id":"P17583","name":"Little Boot Mining Company Inc"},"validFrom":"1986-04-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"4405957","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405957|P17583|1986-04-21|C10328|1986-04-21|81761"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4405957","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"}}