{"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":"0801228","name":"Barclay Hall Ranch"},"operator":{"type":"operator","id":"0124853","name":"T & M Mining LLC"},"controller":{"type":"controller","id":"0106021","name":"Troy  McDonald"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14018","name":"Terry J Cooke"},"object":{"type":"mine","id":"0801228","name":"Barclay Hall Ranch"},"validFrom":"1995-04-01","validTo":"2011-03-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0801228|L14018|1995-04-01|2011-03-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10712","name":"Cooke Terry J"},"object":{"type":"mine","id":"0801228","name":"Barclay Hall Ranch"},"validFrom":"1995-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0801228|M10712|1995-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10712","name":"Cooke Terry J"},"object":{"type":"operator","id":"L14018","name":"Terry J Cooke"},"validFrom":"1995-04-01","validTo":"2011-03-09","current":false,"derived":true,"evidenceMineId":"0801228","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0801228|L14018|1995-04-01|M10712|1995-04-01|149833"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0117388","name":"Barclay of SW Florida & Wash Loop LLC"},"object":{"type":"mine","id":"0801228","name":"Barclay Hall Ranch"},"validFrom":"2011-03-10","validTo":"2012-09-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0801228|0117388|2011-03-10|2012-09-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0085753","name":"Daniel  Beaudion et al"},"object":{"type":"mine","id":"0801228","name":"Barclay Hall Ranch"},"validFrom":"2011-03-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0801228|0085753|2011-03-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0085753","name":"Daniel  Beaudion et al"},"object":{"type":"operator","id":"0117388","name":"Barclay of SW Florida & Wash Loop LLC"},"validFrom":"2011-03-10","validTo":"2012-09-18","current":false,"derived":true,"evidenceMineId":"0801228","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0801228|0117388|2011-03-10|0085753|2011-03-10|13701"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0085753","name":"Lovina J  Lehr et al"},"object":{"type":"operator","id":"0117388","name":"Barclay of SW Florida & Wash Loop LLC"},"validFrom":"2011-03-10","validTo":"2012-09-18","current":false,"derived":true,"evidenceMineId":"0801228","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0801228|0117388|2011-03-10|0085753|2011-03-10|13702"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0124853","name":"T & M Mining LLC"},"object":{"type":"mine","id":"0801228","name":"Barclay Hall Ranch"},"validFrom":"2012-09-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0801228|0124853|2012-09-19|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0106021","name":"Troy  McDonald"},"object":{"type":"mine","id":"0801228","name":"Barclay Hall Ranch"},"validFrom":"2012-09-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0801228|0106021|2012-09-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0106021","name":"Troy  McDonald"},"object":{"type":"operator","id":"0124853","name":"T & M Mining LLC"},"validFrom":"2012-09-19","validTo":null,"current":true,"derived":true,"evidenceMineId":"0801228","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0801228|0124853|2012-09-19|0106021|2012-09-19|18681"}}],"coverage":{"historyRecords":4,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0801228","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"}}