{"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":"1509553","name":"Becky Ann No 1"},"operator":{"type":"operator","id":"P17394","name":"Acme Energy International Inc"},"controller":{"type":"controller","id":"C12238","name":"Sizemore William"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00272","name":"Caudill John F"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1975-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|C00272|1975-12-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00358","name":"Caudill Construction Company Inc"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1976-03-01","validTo":"1981-06-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P00358|1976-03-01|1981-06-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00272","name":"Caudill John F"},"object":{"type":"operator","id":"P00358","name":"Caudill Construction Company Inc"},"validFrom":"1976-03-01","validTo":"1981-06-01","current":false,"derived":true,"evidenceMineId":"1509553","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P00358|1976-03-01|C00272|1975-12-01|45652"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12415","name":"United Continental Coal Company Ltd"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1981-06-02","validTo":"1982-12-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P12415|1981-06-02|1982-12-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09187","name":"Christian Dave"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1981-06-02","validTo":"1982-12-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|C09187|1981-06-02|1982-12-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09187","name":"Christian Dave"},"object":{"type":"operator","id":"P12415","name":"United Continental Coal Company Ltd"},"validFrom":"1981-06-02","validTo":"1982-12-19","current":false,"derived":true,"evidenceMineId":"1509553","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P12415|1981-06-02|C09187|1981-06-02|79046"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14305","name":"Apex Coal Company Inc"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1982-12-20","validTo":"1984-11-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P14305|1982-12-20|1984-11-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10406","name":"Fallahi Charlotte & Caroline Hacker"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1982-12-20","validTo":"1984-11-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|C10406|1982-12-20|1984-11-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10406","name":"Fallahi Charlotte & Caroline Hacker"},"object":{"type":"operator","id":"P14305","name":"Apex Coal Company Inc"},"validFrom":"1982-12-20","validTo":"1984-11-13","current":false,"derived":true,"evidenceMineId":"1509553","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P14305|1982-12-20|C10406|1982-12-20|81918"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16330","name":"Rexxon Corp Inc"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1984-11-14","validTo":"1985-12-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P16330|1984-11-14|1985-12-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11616","name":"International & Domestic Development Corp"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1984-11-14","validTo":"1985-12-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|C11616|1984-11-14|1985-12-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11616","name":"International & Domestic Development Corp"},"object":{"type":"operator","id":"P16330","name":"Rexxon Corp Inc"},"validFrom":"1984-11-14","validTo":"1985-12-05","current":false,"derived":true,"evidenceMineId":"1509553","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P16330|1984-11-14|C11616|1984-11-14|84999"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17393","name":"N R G Processing Inc"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1985-12-06","validTo":"1986-02-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P17393|1985-12-06|1986-02-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09669","name":"Naylor George H"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1985-12-06","validTo":"1986-02-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|C09669|1985-12-06|1986-02-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09669","name":"Naylor George H"},"object":{"type":"operator","id":"P17393","name":"N R G Processing Inc"},"validFrom":"1985-12-06","validTo":"1986-02-18","current":false,"derived":true,"evidenceMineId":"1509553","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P17393|1985-12-06|C09669|1985-12-06|80224"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17394","name":"Acme Energy International Inc"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1986-02-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P17394|1986-02-19|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12238","name":"Sizemore William"},"object":{"type":"mine","id":"1509553","name":"Becky Ann No 1"},"validFrom":"1986-02-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|C12238|1986-02-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12238","name":"Sizemore William"},"object":{"type":"operator","id":"P17394","name":"Acme Energy International Inc"},"validFrom":"1986-02-19","validTo":null,"current":true,"derived":true,"evidenceMineId":"1509553","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509553|P17394|1986-02-19|C12238|1986-02-19|86448"}}],"coverage":{"historyRecords":6,"edgeCount":18,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1509553","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"}}