{"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":"4602054","name":"Mine No 2"},"operator":{"type":"operator","id":"P22731","name":"Avondale Coal Sales Inc"},"controller":{"type":"controller","id":"C14086","name":"David  Hopkins"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02960","name":"Trace Fork Coal Company"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1950-01-01","validTo":"1985-09-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P02960|1950-01-01|1985-09-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"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":"4602054|C02508|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P02960","name":"Trace Fork Coal Company"},"validFrom":"1950-01-01","validTo":"1985-09-08","current":false,"derived":true,"evidenceMineId":"4602054","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P02960|1950-01-01|C02508|1950-01-01|58872"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17063","name":"Alpha Mining Company Inc"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1985-09-09","validTo":"1986-01-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P17063|1985-09-09|1986-01-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12048","name":"Garlic Betty"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1985-09-09","validTo":"1986-01-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|C12048|1985-09-09|1986-01-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12048","name":"Garlic Betty"},"object":{"type":"operator","id":"P17063","name":"Alpha Mining Company Inc"},"validFrom":"1985-09-09","validTo":"1986-01-01","current":false,"derived":true,"evidenceMineId":"4602054","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P17063|1985-09-09|C12048|1985-09-09|86015"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12072","name":"Ted  Osborne  et al"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1985-09-09","validTo":"1990-01-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|C12072|1985-09-09|1990-01-30"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17103","name":"Soho Coal Company Inc"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1986-01-02","validTo":"1988-05-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P17103|1986-01-02|1988-05-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12072","name":"Ted  Osborne  et al"},"object":{"type":"operator","id":"P17103","name":"Soho Coal Company Inc"},"validFrom":"1986-01-02","validTo":"1988-05-12","current":false,"derived":true,"evidenceMineId":"4602054","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P17103|1986-01-02|C12072|1985-09-09|86066"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19793","name":"Trinity Mining Inc"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1988-05-13","validTo":"1993-12-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P19793|1988-05-13|1993-12-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13538","name":"Cline Raymond Jeffery"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1988-05-13","validTo":"1993-12-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|C13538|1988-05-13|1993-12-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13538","name":"Cline Raymond Jeffery"},"object":{"type":"operator","id":"P19793","name":"Trinity Mining Inc"},"validFrom":"1988-05-13","validTo":"1993-12-19","current":false,"derived":true,"evidenceMineId":"4602054","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P19793|1988-05-13|C13538|1988-05-13|90248"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22591","name":"Trinity Mining Inc"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1993-12-20","validTo":"1994-11-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P22591|1993-12-20|1994-11-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14966","name":"Adkins Tolbert Et Al"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1993-12-20","validTo":"1994-11-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|C14966|1993-12-20|1994-11-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14966","name":"Adkins Tolbert Et Al"},"object":{"type":"operator","id":"P22591","name":"Trinity Mining Inc"},"validFrom":"1993-12-20","validTo":"1994-11-09","current":false,"derived":true,"evidenceMineId":"4602054","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P22591|1993-12-20|C14966|1993-12-20|94355"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14086","name":"David  Hopkins"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1994-04-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|C14086|1994-04-20|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22731","name":"Avondale Coal Sales Inc"},"object":{"type":"mine","id":"4602054","name":"Mine No 2"},"validFrom":"1994-11-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P22731|1994-11-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14086","name":"David  Hopkins"},"object":{"type":"operator","id":"P22731","name":"Avondale Coal Sales Inc"},"validFrom":"1994-11-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"4602054","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602054|P22731|1994-11-10|C14086|1994-04-20|91962"}}],"coverage":{"historyRecords":6,"edgeCount":18,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4602054","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"}}