{"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":"1511497","name":"Bosco Tipple"},"operator":{"type":"operator","id":"P13932","name":"Beaver Elkhorn Fuels Inc"},"controller":{"type":"controller","id":"C09681","name":"Law Ted B"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08551","name":"Beaver Elkhorn Fuels Inc"},"object":{"type":"mine","id":"1511497","name":"Bosco Tipple"},"validFrom":"1978-08-01","validTo":"1979-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|P08551|1978-08-01|1979-03-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04162","name":"Large Roger"},"object":{"type":"mine","id":"1511497","name":"Bosco Tipple"},"validFrom":"1978-08-01","validTo":"1979-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|C04162|1978-08-01|1979-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04162","name":"Large Roger"},"object":{"type":"operator","id":"P08551","name":"Beaver Elkhorn Fuels Inc"},"validFrom":"1978-08-01","validTo":"1979-03-31","current":false,"derived":true,"evidenceMineId":"1511497","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|P08551|1978-08-01|C04162|1978-08-01|64993"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09446","name":"Beaver Elkhorn Fuels Inc"},"object":{"type":"mine","id":"1511497","name":"Bosco Tipple"},"validFrom":"1979-04-01","validTo":"1981-02-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|P09446|1979-04-01|1981-02-17"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07427","name":"Martin Del Kerwyn"},"object":{"type":"mine","id":"1511497","name":"Bosco Tipple"},"validFrom":"1979-04-01","validTo":"1982-12-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|C07427|1979-04-01|1982-12-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07427","name":"Martin Del Kerwyn"},"object":{"type":"operator","id":"P09446","name":"Beaver Elkhorn Fuels Inc"},"validFrom":"1979-04-01","validTo":"1981-02-17","current":false,"derived":true,"evidenceMineId":"1511497","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|P09446|1979-04-01|C07427|1979-04-01|74547"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05822","name":"M Lynn  Parrish"},"object":{"type":"mine","id":"1511497","name":"Bosco Tipple"},"validFrom":"1981-01-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|C05822|1981-01-13|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11393","name":"Coal Mac Sales"},"object":{"type":"mine","id":"1511497","name":"Bosco Tipple"},"validFrom":"1981-02-18","validTo":"1981-11-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|P11393|1981-02-18|1981-11-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05822","name":"M Lynn  Parrish"},"object":{"type":"operator","id":"P11393","name":"Coal Mac Sales"},"validFrom":"1981-02-18","validTo":"1981-11-16","current":false,"derived":true,"evidenceMineId":"1511497","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|P11393|1981-02-18|C05822|1981-01-13|69993"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09446","name":"Beaver Elkhorn Fuels Inc"},"object":{"type":"mine","id":"1511497","name":"Bosco Tipple"},"validFrom":"1981-11-17","validTo":"1982-12-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|P09446|1981-11-17|1982-12-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07427","name":"Martin Del Kerwyn"},"object":{"type":"operator","id":"P09446","name":"Beaver Elkhorn Fuels Inc"},"validFrom":"1981-11-17","validTo":"1982-12-01","current":false,"derived":true,"evidenceMineId":"1511497","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|P09446|1981-11-17|C07427|1979-04-01|74548"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13932","name":"Beaver Elkhorn Fuels Inc"},"object":{"type":"mine","id":"1511497","name":"Bosco Tipple"},"validFrom":"1982-12-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|P13932|1982-12-02|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09681","name":"Law Ted B"},"object":{"type":"mine","id":"1511497","name":"Bosco Tipple"},"validFrom":"1982-12-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|C09681|1982-12-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09681","name":"Law Ted B"},"object":{"type":"operator","id":"P13932","name":"Beaver Elkhorn Fuels Inc"},"validFrom":"1982-12-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"1511497","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511497|P13932|1982-12-02|C09681|1982-12-02|80245"}}],"coverage":{"historyRecords":5,"edgeCount":14,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1511497","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"}}