{"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":"4607741","name":"Harmon Branch Auger"},"operator":{"type":"operator","id":"P21924","name":"Larry Stacy Augering Inc"},"controller":{"type":"controller","id":"C07420","name":"Larry  Stacy"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12072","name":"Ted  Osborne  et al"},"object":{"type":"mine","id":"4607741","name":"Harmon Branch Auger"},"validFrom":"1988-09-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607741|C12072|1988-09-16|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19969","name":"Gary Coal Sales Inc"},"object":{"type":"mine","id":"4607741","name":"Harmon Branch Auger"},"validFrom":"1989-08-01","validTo":"1989-08-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607741|P19969|1989-08-01|1989-08-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12072","name":"Ted  Osborne  et al"},"object":{"type":"operator","id":"P19969","name":"Gary Coal Sales Inc"},"validFrom":"1989-08-01","validTo":"1989-08-23","current":false,"derived":true,"evidenceMineId":"4607741","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607741|P19969|1989-08-01|C12072|1988-09-16|86081"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20526","name":"Daniels Auger Company Inc"},"object":{"type":"mine","id":"4607741","name":"Harmon Branch Auger"},"validFrom":"1989-08-24","validTo":"1992-02-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607741|P20526|1989-08-24|1992-02-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13736","name":"Whitt Phillip D Ii"},"object":{"type":"mine","id":"4607741","name":"Harmon Branch Auger"},"validFrom":"1989-08-24","validTo":"1992-02-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607741|C13736|1989-08-24|1992-02-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13736","name":"Whitt Phillip D Ii"},"object":{"type":"operator","id":"P20526","name":"Daniels Auger Company Inc"},"validFrom":"1989-08-24","validTo":"1992-02-12","current":false,"derived":true,"evidenceMineId":"4607741","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607741|P20526|1989-08-24|C13736|1989-08-24|90964"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21924","name":"Larry Stacy Augering Inc"},"object":{"type":"mine","id":"4607741","name":"Harmon Branch Auger"},"validFrom":"1992-02-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607741|P21924|1992-02-13|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07420","name":"Larry  Stacy"},"object":{"type":"mine","id":"4607741","name":"Harmon Branch Auger"},"validFrom":"1992-02-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607741|C07420|1992-02-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07420","name":"Larry  Stacy"},"object":{"type":"operator","id":"P21924","name":"Larry Stacy Augering Inc"},"validFrom":"1992-02-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"4607741","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607741|P21924|1992-02-13|C07420|1992-02-13|74536"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4607741","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"}}