{"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":"4605727","name":"Diamond J Mining"},"operator":{"type":"operator","id":"P17977","name":"Diamond J Mining Inc"},"controller":{"type":"controller","id":"C12573","name":"Petry James H"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07287","name":"Georgia Fuel Company"},"object":{"type":"mine","id":"4605727","name":"Diamond J Mining"},"validFrom":"1978-03-01","validTo":"1983-06-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|P07287|1978-03-01|1983-06-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03198","name":"Sigler Leonard L Sr Et Al"},"object":{"type":"mine","id":"4605727","name":"Diamond J Mining"},"validFrom":"1978-03-01","validTo":"1983-06-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|C03198|1978-03-01|1983-06-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03198","name":"Sigler Leonard L Sr Et Al"},"object":{"type":"operator","id":"P07287","name":"Georgia Fuel Company"},"validFrom":"1978-03-01","validTo":"1983-06-27","current":false,"derived":true,"evidenceMineId":"4605727","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|P07287|1978-03-01|C03198|1978-03-01|62195"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14659","name":"Big Lump Mining Company Inc"},"object":{"type":"mine","id":"4605727","name":"Diamond J Mining"},"validFrom":"1983-06-28","validTo":"1984-07-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|P14659|1983-06-28|1984-07-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10615","name":"Rogers Roy"},"object":{"type":"mine","id":"4605727","name":"Diamond J Mining"},"validFrom":"1983-06-28","validTo":"1984-07-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|C10615|1983-06-28|1984-07-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10615","name":"Rogers Roy"},"object":{"type":"operator","id":"P14659","name":"Big Lump Mining Company Inc"},"validFrom":"1983-06-28","validTo":"1984-07-22","current":false,"derived":true,"evidenceMineId":"4605727","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|P14659|1983-06-28|C10615|1983-06-28|82423"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11275","name":"Breedlove William Et Al"},"object":{"type":"mine","id":"4605727","name":"Diamond J Mining"},"validFrom":"1984-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|C11275|1984-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15660","name":"Big Lump Mining Inc"},"object":{"type":"mine","id":"4605727","name":"Diamond J Mining"},"validFrom":"1984-07-23","validTo":"1986-01-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|P15660|1984-07-23|1986-01-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10373","name":"Lambert Charles"},"object":{"type":"mine","id":"4605727","name":"Diamond J Mining"},"validFrom":"1984-07-23","validTo":"1986-01-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|C10373|1984-07-23|1986-01-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10373","name":"Lambert Charles"},"object":{"type":"operator","id":"P15660","name":"Big Lump Mining Inc"},"validFrom":"1984-07-23","validTo":"1986-01-13","current":false,"derived":true,"evidenceMineId":"4605727","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|P15660|1984-07-23|C10373|1984-07-23|81864"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15763","name":"Nicholas Plumbing & Electrical Contractors Inc"},"object":{"type":"mine","id":"4605727","name":"Diamond J Mining"},"validFrom":"1986-01-14","validTo":"1986-08-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|P15763|1986-01-14|1986-08-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11275","name":"Breedlove William Et Al"},"object":{"type":"operator","id":"P15763","name":"Nicholas Plumbing & Electrical Contractors Inc"},"validFrom":"1986-01-14","validTo":"1986-08-19","current":false,"derived":true,"evidenceMineId":"4605727","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|P15763|1986-01-14|C11275|1984-07-01|84236"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17977","name":"Diamond J Mining Inc"},"object":{"type":"mine","id":"4605727","name":"Diamond J Mining"},"validFrom":"1986-08-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|P17977|1986-08-20|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12573","name":"Petry James H"},"object":{"type":"mine","id":"4605727","name":"Diamond J Mining"},"validFrom":"1986-08-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|C12573|1986-08-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12573","name":"Petry James H"},"object":{"type":"operator","id":"P17977","name":"Diamond J Mining Inc"},"validFrom":"1986-08-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"4605727","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605727|P17977|1986-08-20|C12573|1986-08-20|87383"}}],"coverage":{"historyRecords":5,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4605727","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"}}