{"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":"1504331","name":"Prep Plant"},"operator":{"type":"operator","id":"0146154","name":"Montana Bakken, LLC"},"controller":{"type":"controller","id":"0125341","name":"Douglas  Warriner"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02544","name":"Pathfork-Harlan Coal Company Inc"},"object":{"type":"mine","id":"1504331","name":"Prep Plant"},"validFrom":"1950-01-01","validTo":"1981-11-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504331|P02544|1950-01-01|1981-11-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02194","name":"Champion International Corporation"},"object":{"type":"mine","id":"1504331","name":"Prep Plant"},"validFrom":"1950-01-01","validTo":"1981-11-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504331|C02194|1950-01-01|1981-11-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02194","name":"Champion International Corporation"},"object":{"type":"operator","id":"P02544","name":"Pathfork-Harlan Coal Company Inc"},"validFrom":"1950-01-01","validTo":"1981-11-02","current":false,"derived":true,"evidenceMineId":"1504331","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504331|P02544|1950-01-01|C02194|1950-01-01|57756"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14483","name":"Manalapan Mining Company Inc"},"object":{"type":"mine","id":"1504331","name":"Prep Plant"},"validFrom":"1981-11-03","validTo":"2016-07-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504331|P14483|1981-11-03|2016-07-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00015","name":"Benjamin R.  Bennett"},"object":{"type":"mine","id":"1504331","name":"Prep Plant"},"validFrom":"1981-11-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504331|C00015|1981-11-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00015","name":"Benjamin R.  Bennett"},"object":{"type":"operator","id":"P14483","name":"Manalapan Mining Company Inc"},"validFrom":"1981-11-03","validTo":"2016-07-13","current":false,"derived":true,"evidenceMineId":"1504331","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504331|P14483|1981-11-03|C00015|1981-11-03|43538"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0146154","name":"Montana Bakken, LLC"},"object":{"type":"mine","id":"1504331","name":"Prep Plant"},"validFrom":"2016-07-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504331|0146154|2016-07-14|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0125341","name":"Douglas  Warriner"},"object":{"type":"mine","id":"1504331","name":"Prep Plant"},"validFrom":"2016-07-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504331|0125341|2016-07-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0125341","name":"Douglas  Warriner"},"object":{"type":"operator","id":"0146154","name":"Montana Bakken, LLC"},"validFrom":"2016-07-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"1504331","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504331|0146154|2016-07-14|0125341|2016-07-14|24303"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1504331","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"}}