{"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":"1511993","name":"Chellis Coal"},"operator":{"type":"operator","id":"P01832","name":"Branham & Baker Coal Company Inc"},"controller":{"type":"controller","id":"C01543","name":"Donn A  Chickering"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01543","name":"Donn A  Chickering"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|C01543|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09674","name":"Trinity Mining Corp Of Paintsville Inc"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1979-08-01","validTo":"1980-03-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P09674|1979-08-01|1980-03-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00529","name":"George  Newsom"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1979-08-01","validTo":"1980-03-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|C00529|1979-08-01|1980-03-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00529","name":"George  Newsom"},"object":{"type":"operator","id":"P09674","name":"Trinity Mining Corp Of Paintsville Inc"},"validFrom":"1979-08-01","validTo":"1980-03-26","current":false,"derived":true,"evidenceMineId":"1511993","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P09674|1979-08-01|C00529|1979-08-01|47807"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10468","name":"Trinity Mining Corp Of Paintsville Inc"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1980-03-27","validTo":"1980-06-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P10468|1980-03-27|1980-06-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07981","name":"Carpenter Ronnie"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1980-03-27","validTo":"1980-06-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|C07981|1980-03-27|1980-06-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07981","name":"Carpenter Ronnie"},"object":{"type":"operator","id":"P10468","name":"Trinity Mining Corp Of Paintsville Inc"},"validFrom":"1980-03-27","validTo":"1980-06-15","current":false,"derived":true,"evidenceMineId":"1511993","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P10468|1980-03-27|C07981|1980-03-27|76101"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10603","name":"Trinity Mining Corp Of Paintsville Inc"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1980-06-16","validTo":"1981-07-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P10603|1980-06-16|1981-07-06"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06606","name":"Lucas James H"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1980-06-16","validTo":"1981-07-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|C06606|1980-06-16|1981-07-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06606","name":"Lucas James H"},"object":{"type":"operator","id":"P10603","name":"Trinity Mining Corp Of Paintsville Inc"},"validFrom":"1980-06-16","validTo":"1981-07-06","current":false,"derived":true,"evidenceMineId":"1511993","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P10603|1980-06-16|C06606|1980-06-16|72274"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04064","name":"Ratliff Blake"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1980-06-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|C04064|1980-06-23|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11098","name":"R V & W Mining Inc"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1981-07-07","validTo":"1981-11-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P11098|1981-07-07|1981-11-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04064","name":"Ratliff Blake"},"object":{"type":"operator","id":"P11098","name":"R V & W Mining Inc"},"validFrom":"1981-07-07","validTo":"1981-11-12","current":false,"derived":true,"evidenceMineId":"1511993","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P11098|1981-07-07|C04064|1980-06-23|64683"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12730","name":"Chellis Coal Company Inc"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1981-11-13","validTo":"1983-12-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P12730|1981-11-13|1983-12-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08282","name":"Larry  Phillips"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1981-11-13","validTo":"1983-12-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|C08282|1981-11-13|1983-12-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08282","name":"Larry  Phillips"},"object":{"type":"operator","id":"P12730","name":"Chellis Coal Company Inc"},"validFrom":"1981-11-13","validTo":"1983-12-14","current":false,"derived":true,"evidenceMineId":"1511993","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P12730|1981-11-13|C08282|1981-11-13|76917"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01832","name":"Branham & Baker Coal Company Inc"},"object":{"type":"mine","id":"1511993","name":"Chellis Coal"},"validFrom":"1983-12-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P01832|1983-12-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01543","name":"Donn A  Chickering"},"object":{"type":"operator","id":"P01832","name":"Branham & Baker Coal Company Inc"},"validFrom":"1983-12-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"1511993","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511993|P01832|1983-12-15|C01543|1950-01-01|54630"}}],"coverage":{"historyRecords":6,"edgeCount":18,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1511993","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"}}