{"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":"3609529","name":"Buena Vista"},"operator":{"type":"operator","id":"0111265","name":"Kinkead Aggregates, LLC"},"controller":{"type":"controller","id":"0128481","name":"Force Aggregates LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M32946","name":"Edward C  Griffith"},"object":{"type":"mine","id":"3609529","name":"Buena Vista"},"validFrom":"1990-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609529|M32946|1990-10-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L32946","name":"Edward C Griffith Quarrying Inc"},"object":{"type":"mine","id":"3609529","name":"Buena Vista"},"validFrom":"2007-06-03","validTo":"2011-05-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609529|L32946|2007-06-03|2011-05-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M32946","name":"Edward C  Griffith"},"object":{"type":"operator","id":"L32946","name":"Edward C Griffith Quarrying Inc"},"validFrom":"2007-06-03","validTo":"2011-05-11","current":false,"derived":true,"evidenceMineId":"3609529","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609529|L32946|2007-06-03|M32946|1990-10-01|161477"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0094133","name":"Christopher J  Evans et al"},"object":{"type":"mine","id":"3609529","name":"Buena Vista"},"validFrom":"2010-06-10","validTo":"2015-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609529|0094133|2010-06-10|2015-08-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0111265","name":"Kinkead Aggregates, LLC"},"object":{"type":"mine","id":"3609529","name":"Buena Vista"},"validFrom":"2011-05-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609529|0111265|2011-05-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0094133","name":"Christopher J  Evans et al"},"object":{"type":"operator","id":"0111265","name":"Kinkead Aggregates, LLC"},"validFrom":"2011-05-12","validTo":"2015-08-31","current":false,"derived":true,"evidenceMineId":"3609529","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609529|0111265|2011-05-12|0094133|2010-06-10|15401"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0094133","name":"Bryan  Force et al"},"object":{"type":"operator","id":"0111265","name":"Kinkead Aggregates, LLC"},"validFrom":"2011-05-12","validTo":"2015-08-31","current":false,"derived":true,"evidenceMineId":"3609529","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609529|0111265|2011-05-12|0094133|2010-06-10|15402"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0128481","name":"Force Aggregates LLC"},"object":{"type":"mine","id":"3609529","name":"Buena Vista"},"validFrom":"2015-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609529|0128481|2015-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0128481","name":"Force Aggregates LLC"},"object":{"type":"operator","id":"0111265","name":"Kinkead Aggregates, LLC"},"validFrom":"2015-09-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3609529","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609529|0111265|2011-05-12|0128481|2015-09-01|25704"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3609529","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"}}