{"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":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"operator":{"type":"operator","id":"P01305","name":"Peter Fork Mining Company"},"controller":{"type":"controller","id":"C01106","name":"Robert C  Billips"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01106","name":"Robert C  Billips"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"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":"1514382|C01106|1974-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09312","name":"Zepcevski Jovan & Theodore Parker"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1981-11-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|C09312|1981-11-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12611","name":"Joline Inc"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1983-12-01","validTo":"1987-06-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P12611|1983-12-01|1987-06-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09312","name":"Zepcevski Jovan & Theodore Parker"},"object":{"type":"operator","id":"P12611","name":"Joline Inc"},"validFrom":"1983-12-01","validTo":"1987-06-15","current":false,"derived":true,"evidenceMineId":"1514382","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P12611|1983-12-01|C09312|1981-11-10|79335"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18796","name":"Glen-Kel Inc"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1987-06-16","validTo":"1987-10-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P18796|1987-06-16|1987-10-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08945","name":"Parker Theodore"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1987-06-16","validTo":"1987-10-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|C08945|1987-06-16|1987-10-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08945","name":"Parker Theodore"},"object":{"type":"operator","id":"P18796","name":"Glen-Kel Inc"},"validFrom":"1987-06-16","validTo":"1987-10-21","current":false,"derived":true,"evidenceMineId":"1514382","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P18796|1987-06-16|C08945|1987-06-16|78492"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19141","name":"Stalyan Hwit Coal Company"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1987-10-22","validTo":"1988-03-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P19141|1987-10-22|1988-03-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13209","name":"Slone Gene David"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1987-10-22","validTo":"1988-03-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|C13209|1987-10-22|1988-03-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13209","name":"Slone Gene David"},"object":{"type":"operator","id":"P19141","name":"Stalyan Hwit Coal Company"},"validFrom":"1987-10-22","validTo":"1988-03-23","current":false,"derived":true,"evidenceMineId":"1514382","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P19141|1987-10-22|C13209|1987-10-22|88991"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19423","name":"Stalyan Hwit Coal Company"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1988-03-24","validTo":"1989-06-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P19423|1988-03-24|1989-06-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13347","name":"Smith Dennis"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1988-03-24","validTo":"1989-06-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|C13347|1988-03-24|1989-06-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13347","name":"Smith Dennis"},"object":{"type":"operator","id":"P19423","name":"Stalyan Hwit Coal Company"},"validFrom":"1988-03-24","validTo":"1989-06-05","current":false,"derived":true,"evidenceMineId":"1514382","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P19423|1988-03-24|C13347|1988-03-24|89409"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20337","name":"Stalyan Hwit Coal Company"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1989-06-06","validTo":"1989-08-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P20337|1989-06-06|1989-08-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13870","name":"Coup Management Inc"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1989-06-06","validTo":"1989-08-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|C13870|1989-06-06|1989-08-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13870","name":"Coup Management Inc"},"object":{"type":"operator","id":"P20337","name":"Stalyan Hwit Coal Company"},"validFrom":"1989-06-06","validTo":"1989-08-03","current":false,"derived":true,"evidenceMineId":"1514382","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P20337|1989-06-06|C13870|1989-06-06|91330"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01305","name":"Peter Fork Mining Company"},"object":{"type":"mine","id":"1514382","name":"Peter Fork Mining-Stalyan Hwit"},"validFrom":"1989-08-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P01305|1989-08-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01106","name":"Robert C  Billips"},"object":{"type":"operator","id":"P01305","name":"Peter Fork Mining Company"},"validFrom":"1989-08-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"1514382","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514382|P01305|1989-08-04|C01106|1974-01-01|52360"}}],"coverage":{"historyRecords":6,"edgeCount":18,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1514382","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"}}