{"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":"4401250","name":"No 2"},"operator":{"type":"operator","id":"P13238","name":"J R & R Coal Company Inc"},"controller":{"type":"controller","id":"C09713","name":"Stanley John B"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01692","name":"Bonnie Coal Company"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1950-01-01","validTo":"1975-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P01692|1950-01-01|1975-03-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00497","name":"Weaver Robert"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1950-01-01","validTo":"1975-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|C00497|1950-01-01|1975-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00497","name":"Weaver Robert"},"object":{"type":"operator","id":"P01692","name":"Bonnie Coal Company"},"validFrom":"1950-01-01","validTo":"1975-03-31","current":false,"derived":true,"evidenceMineId":"4401250","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P01692|1950-01-01|C00497|1950-01-01|47553"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01691","name":"Westbury Coal Mining Partnership"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1975-04-01","validTo":"1977-07-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P01691|1975-04-01|1977-07-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01427","name":"Minco Corp & Westbury Development Corp"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1975-04-01","validTo":"1979-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|C01427|1975-04-01|1979-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01427","name":"Minco Corp & Westbury Development Corp"},"object":{"type":"operator","id":"P01691","name":"Westbury Coal Mining Partnership"},"validFrom":"1975-04-01","validTo":"1977-07-18","current":false,"derived":true,"evidenceMineId":"4401250","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P01691|1975-04-01|C01427|1975-04-01|54047"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06631","name":"Richlands Coal Mining Partnership"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1977-07-19","validTo":"1977-09-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P06631|1977-07-19|1977-09-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05496","name":"White Earl"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1977-07-19","validTo":"1977-09-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|C05496|1977-07-19|1977-09-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05496","name":"White Earl"},"object":{"type":"operator","id":"P06631","name":"Richlands Coal Mining Partnership"},"validFrom":"1977-07-19","validTo":"1977-09-29","current":false,"derived":true,"evidenceMineId":"4401250","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P06631|1977-07-19|C05496|1977-07-19|68961"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00473","name":"Rash Russell"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1977-09-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|C00473|1977-09-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07276","name":"Middle Creek Coal Corp"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1977-09-30","validTo":"1978-04-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P07276|1977-09-30|1978-04-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00473","name":"Rash Russell"},"object":{"type":"operator","id":"P07276","name":"Middle Creek Coal Corp"},"validFrom":"1977-09-30","validTo":"1978-04-12","current":false,"derived":true,"evidenceMineId":"4401250","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P07276|1977-09-30|C00473|1977-09-28|47412"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08174","name":"J S & K Coal Corp"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1978-04-13","validTo":"1978-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P08174|1978-04-13|1978-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06578","name":"Jackson Ronald & George Kidd"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1978-04-13","validTo":"1978-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|C06578|1978-04-13|1978-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06578","name":"Jackson Ronald & George Kidd"},"object":{"type":"operator","id":"P08174","name":"J S & K Coal Corp"},"validFrom":"1978-04-13","validTo":"1978-12-31","current":false,"derived":true,"evidenceMineId":"4401250","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P08174|1978-04-13|C06578|1978-04-13|72168"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08986","name":"J S & K Coal Corp"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1979-01-01","validTo":"1981-12-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P08986|1979-01-01|1981-12-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07108","name":"Bill R  Simmons et al"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1979-01-01","validTo":"1981-12-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|C07108|1979-01-01|1981-12-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07108","name":"Bill R  Simmons et al"},"object":{"type":"operator","id":"P08986","name":"J S & K Coal Corp"},"validFrom":"1979-01-01","validTo":"1981-12-02","current":false,"derived":true,"evidenceMineId":"4401250","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P08986|1979-01-01|C07108|1979-01-01|73795"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12629","name":"H J & R Corp"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1981-12-03","validTo":"1984-05-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P12629|1981-12-03|1984-05-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09319","name":"Johnston Clinton-James G West Et Al"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1981-12-03","validTo":"1984-05-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|C09319|1981-12-03|1984-05-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09319","name":"Johnston Clinton-James G West Et Al"},"object":{"type":"operator","id":"P12629","name":"H J & R Corp"},"validFrom":"1981-12-03","validTo":"1984-05-30","current":false,"derived":true,"evidenceMineId":"4401250","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P12629|1981-12-03|C09319|1981-12-03|79347"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09713","name":"Stanley John B"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1982-03-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|C09713|1982-03-09|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13238","name":"J R & R Coal Company Inc"},"object":{"type":"mine","id":"4401250","name":"No 2"},"validFrom":"1984-05-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P13238|1984-05-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09713","name":"Stanley John B"},"object":{"type":"operator","id":"P13238","name":"J R & R Coal Company Inc"},"validFrom":"1984-05-31","validTo":null,"current":true,"derived":true,"evidenceMineId":"4401250","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401250|P13238|1984-05-31|C09713|1982-03-09|80350"}}],"coverage":{"historyRecords":8,"edgeCount":24,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4401250","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"}}