{"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":"1507441","name":"No1"},"operator":{"type":"operator","id":"P20276","name":"Fools Gold Energy Corp"},"controller":{"type":"controller","id":"C11000","name":"James L  Bevins"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01498","name":"Smallwood James A"},"object":{"type":"mine","id":"1507441","name":"No1"},"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":"1507441|C01498|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01499","name":"Tripod Coal Company Inc"},"object":{"type":"mine","id":"1507441","name":"No1"},"validFrom":"1974-10-15","validTo":"1978-12-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|P01499|1974-10-15|1978-12-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01269","name":"Taylor Joe"},"object":{"type":"mine","id":"1507441","name":"No1"},"validFrom":"1974-10-15","validTo":"1978-12-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|C01269|1974-10-15|1978-12-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01269","name":"Taylor Joe"},"object":{"type":"operator","id":"P01499","name":"Tripod Coal Company Inc"},"validFrom":"1974-10-15","validTo":"1978-12-27","current":false,"derived":true,"evidenceMineId":"1507441","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|P01499|1974-10-15|C01269|1974-10-15|53205"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01772","name":"Smallwood Coal Company"},"object":{"type":"mine","id":"1507441","name":"No1"},"validFrom":"1978-12-28","validTo":"1980-10-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|P01772|1978-12-28|1980-10-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01498","name":"Smallwood James A"},"object":{"type":"operator","id":"P01772","name":"Smallwood Coal Company"},"validFrom":"1978-12-28","validTo":"1980-10-15","current":false,"derived":true,"evidenceMineId":"1507441","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|P01772|1978-12-28|C01498|1950-01-01|54322"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11109","name":"Comer-Davidson Coal Company Inc"},"object":{"type":"mine","id":"1507441","name":"No1"},"validFrom":"1980-10-16","validTo":"1984-02-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|P11109|1980-10-16|1984-02-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08369","name":"Davidson Michael D"},"object":{"type":"mine","id":"1507441","name":"No1"},"validFrom":"1980-10-16","validTo":"1984-02-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|C08369|1980-10-16|1984-02-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08369","name":"Davidson Michael D"},"object":{"type":"operator","id":"P11109","name":"Comer-Davidson Coal Company Inc"},"validFrom":"1980-10-16","validTo":"1984-02-29","current":false,"derived":true,"evidenceMineId":"1507441","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|P11109|1980-10-16|C08369|1980-10-16|77109"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17678","name":"Taylor Hill Coal Company"},"object":{"type":"mine","id":"1507441","name":"No1"},"validFrom":"1984-03-01","validTo":"1989-04-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|P17678|1984-03-01|1989-04-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05087","name":"Salyers Gene & William Stiltner"},"object":{"type":"mine","id":"1507441","name":"No1"},"validFrom":"1984-03-01","validTo":"1990-05-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|C05087|1984-03-01|1990-05-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05087","name":"Salyers Gene & William Stiltner"},"object":{"type":"operator","id":"P17678","name":"Taylor Hill Coal Company"},"validFrom":"1984-03-01","validTo":"1989-04-09","current":false,"derived":true,"evidenceMineId":"1507441","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|P17678|1984-03-01|C05087|1984-03-01|67469"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20276","name":"Fools Gold Energy Corp"},"object":{"type":"mine","id":"1507441","name":"No1"},"validFrom":"1989-04-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|P20276|1989-04-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11000","name":"James L  Bevins"},"object":{"type":"mine","id":"1507441","name":"No1"},"validFrom":"1989-04-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|C11000|1989-04-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11000","name":"James L  Bevins"},"object":{"type":"operator","id":"P20276","name":"Fools Gold Energy Corp"},"validFrom":"1989-04-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"1507441","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1507441|P20276|1989-04-10|C11000|1989-04-10|83348"}}],"coverage":{"historyRecords":5,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1507441","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"}}