{"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":"1513745","name":"No 2"},"operator":{"type":"operator","id":"P22796","name":"Tram Coal Company Inc"},"controller":{"type":"controller","id":"C14869","name":"Gary  Dunaway; Roger Scott  Collins"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01809","name":"Coleman Roy Darrell"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1974-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|C01809|1974-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13737","name":"Prater Creek Mining Inc"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1982-09-01","validTo":"1983-07-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P13737|1982-09-01|1983-07-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00851","name":"Emmett  Lawson"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1982-09-01","validTo":"1991-09-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|C00851|1982-09-01|1991-09-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00851","name":"Emmett  Lawson"},"object":{"type":"operator","id":"P13737","name":"Prater Creek Mining Inc"},"validFrom":"1982-09-01","validTo":"1983-07-25","current":false,"derived":true,"evidenceMineId":"1513745","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P13737|1982-09-01|C00851|1982-09-01|50517"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14567","name":"Dela Branch Coal Company Inc"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1983-07-26","validTo":"1985-02-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P14567|1983-07-26|1985-02-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10557","name":"Johnson Robie"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1983-07-26","validTo":"1985-02-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|C10557|1983-07-26|1985-02-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10557","name":"Johnson Robie"},"object":{"type":"operator","id":"P14567","name":"Dela Branch Coal Company Inc"},"validFrom":"1983-07-26","validTo":"1985-02-20","current":false,"derived":true,"evidenceMineId":"1513745","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P14567|1983-07-26|C10557|1983-07-26|82283"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01247","name":"Ousley Cecil D"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1985-02-20","validTo":"1986-02-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|C01247|1985-02-20|1986-02-11"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16516","name":"Maxton Land & Mineral Company Inc"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1985-02-21","validTo":"1985-08-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P16516|1985-02-21|1985-08-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01247","name":"Ousley Cecil D"},"object":{"type":"operator","id":"P16516","name":"Maxton Land & Mineral Company Inc"},"validFrom":"1985-02-21","validTo":"1985-08-29","current":false,"derived":true,"evidenceMineId":"1513745","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P16516|1985-02-21|C01247|1985-02-20|53050"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02129","name":"Pike Buchanan Coal Company Inc"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1985-08-30","validTo":"1986-12-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P02129|1985-08-30|1986-12-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01809","name":"Coleman Roy Darrell"},"object":{"type":"operator","id":"P02129","name":"Pike Buchanan Coal Company Inc"},"validFrom":"1985-08-30","validTo":"1986-12-22","current":false,"derived":true,"evidenceMineId":"1513745","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P02129|1985-08-30|C01809|1974-01-01|56200"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18434","name":"Jean & Mary Coal Company Inc"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1986-12-23","validTo":"1989-12-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P18434|1986-12-23|1989-12-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12844","name":"Hall Carlos"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1986-12-23","validTo":"1989-12-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|C12844|1986-12-23|1989-12-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12844","name":"Hall Carlos"},"object":{"type":"operator","id":"P18434","name":"Jean & Mary Coal Company Inc"},"validFrom":"1986-12-23","validTo":"1989-12-07","current":false,"derived":true,"evidenceMineId":"1513745","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P18434|1986-12-23|C12844|1986-12-23|88039"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13737","name":"Prater Creek Mining Inc"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1989-12-08","validTo":"1991-09-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P13737|1989-12-08|1991-09-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00851","name":"Emmett  Lawson"},"object":{"type":"operator","id":"P13737","name":"Prater Creek Mining Inc"},"validFrom":"1989-12-08","validTo":"1991-09-08","current":false,"derived":true,"evidenceMineId":"1513745","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P13737|1989-12-08|C00851|1982-09-01|50518"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21568","name":"Delta Pike Mining Inc"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1991-09-09","validTo":"1993-02-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P21568|1991-09-09|1993-02-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11033","name":"Blackburn Bobby Jr"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1991-09-09","validTo":"1993-02-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|C11033|1991-09-09|1993-02-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11033","name":"Blackburn Bobby Jr"},"object":{"type":"operator","id":"P21568","name":"Delta Pike Mining Inc"},"validFrom":"1991-09-09","validTo":"1993-02-09","current":false,"derived":true,"evidenceMineId":"1513745","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P21568|1991-09-09|C11033|1991-09-09|83442"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22267","name":"Delta Pike Mining Inc"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1993-02-10","validTo":"1994-06-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P22267|1993-02-10|1994-06-06"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14807","name":"Earl  Lawson et al"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1993-02-10","validTo":"1994-06-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|C14807|1993-02-10|1994-06-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14807","name":"Earl  Lawson et al"},"object":{"type":"operator","id":"P22267","name":"Delta Pike Mining Inc"},"validFrom":"1993-02-10","validTo":"1994-06-06","current":false,"derived":true,"evidenceMineId":"1513745","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P22267|1993-02-10|C14807|1993-02-10|93922"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14869","name":"Gary  Dunaway et al"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1994-04-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|C14869|1994-04-20|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22796","name":"Tram Coal Company Inc"},"object":{"type":"mine","id":"1513745","name":"No 2"},"validFrom":"1994-06-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P22796|1994-06-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14869","name":"Gary  Dunaway et al"},"object":{"type":"operator","id":"P22796","name":"Tram Coal Company Inc"},"validFrom":"1994-06-07","validTo":null,"current":true,"derived":true,"evidenceMineId":"1513745","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P22796|1994-06-07|C14869|1994-04-20|94113"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14869","name":"Roger Scott  Collins et al"},"object":{"type":"operator","id":"P22796","name":"Tram Coal Company Inc"},"validFrom":"1994-06-07","validTo":null,"current":true,"derived":true,"evidenceMineId":"1513745","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513745|P22796|1994-06-07|C14869|1994-04-20|94114"}}],"coverage":{"historyRecords":10,"edgeCount":27,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1513745","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"}}