{"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":"2026-10-18T09:31:49.615908+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":"1601376","name":"2 Brothers Sand and Gravel"},"operator":{"type":"operator","id":"0073724","name":"Anny's Inc"},"controller":{"type":"controller","id":"0061751","name":"Randy  Anny"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07623","name":"Albert  Pierre"},"object":{"type":"mine","id":"1601376","name":"2 Brothers Sand and Gravel"},"validFrom":"1985-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1601376|M07623|1985-12-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09729","name":"Southeast Aggregates Inc"},"object":{"type":"mine","id":"1601376","name":"2 Brothers Sand and Gravel"},"validFrom":"2001-03-01","validTo":"2003-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1601376|L09729|2001-03-01|2003-04-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07623","name":"Albert  Pierre"},"object":{"type":"operator","id":"L09729","name":"Southeast Aggregates Inc"},"validFrom":"2001-03-01","validTo":"2003-04-30","current":false,"derived":true,"evidenceMineId":"1601376","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1601376|L09729|2001-03-01|M07623|1985-12-01|141685"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051780","name":"Williams Aggregates"},"object":{"type":"mine","id":"1601376","name":"2 Brothers Sand and Gravel"},"validFrom":"2003-05-01","validTo":"2006-07-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1601376|0051780|2003-05-01|2006-07-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042439","name":"John B  Williams Sr"},"object":{"type":"mine","id":"1601376","name":"2 Brothers Sand and Gravel"},"validFrom":"2003-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1601376|0042439|2003-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042439","name":"John B  Williams Sr"},"object":{"type":"operator","id":"0051780","name":"Williams Aggregates"},"validFrom":"2003-05-01","validTo":"2006-07-26","current":false,"derived":true,"evidenceMineId":"1601376","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1601376|0051780|2003-05-01|0042439|2003-05-01|3986"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0073724","name":"Anny's Inc"},"object":{"type":"mine","id":"1601376","name":"2 Brothers Sand and Gravel"},"validFrom":"2006-07-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1601376|0073724|2006-07-27|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0061751","name":"Randy  Anny et al"},"object":{"type":"mine","id":"1601376","name":"2 Brothers Sand and Gravel"},"validFrom":"2006-07-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1601376|0061751|2006-07-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0061751","name":"Randy  Anny et al"},"object":{"type":"operator","id":"0073724","name":"Anny's Inc"},"validFrom":"2006-07-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"1601376","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1601376|0073724|2006-07-27|0061751|2006-07-27|8286"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1601376","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}