{"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":"3608127","name":"HANAS PIT #1"},"operator":{"type":"operator","id":"L13065","name":"Erie Aggregates, Inc."},"controller":{"type":"controller","id":"0133781","name":"Brian A  Dwyer II; Brian A  Dwyer; Dennis J  Dwyer"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L34013","name":"Hanas Gravel Company"},"object":{"type":"mine","id":"3608127","name":"HANAS PIT #1"},"validFrom":"1989-10-01","validTo":"2020-06-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|L34013|1989-10-01|2020-06-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M34013","name":"Carol J  Hanas  et al"},"object":{"type":"mine","id":"3608127","name":"HANAS PIT #1"},"validFrom":"1989-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|M34013|1989-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M34013","name":"Carol J  Hanas  et al"},"object":{"type":"operator","id":"L34013","name":"Hanas Gravel Company"},"validFrom":"1989-10-01","validTo":"2020-06-03","current":false,"derived":true,"evidenceMineId":"3608127","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|L34013|1989-10-01|M34013|1989-10-01|162694"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M34013","name":"John R  Hanas  et al"},"object":{"type":"operator","id":"L34013","name":"Hanas Gravel Company"},"validFrom":"1989-10-01","validTo":"2020-06-03","current":false,"derived":true,"evidenceMineId":"3608127","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|L34013|1989-10-01|M34013|1989-10-01|162695"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09990","name":"Deborah A  Will"},"object":{"type":"mine","id":"3608127","name":"HANAS PIT #1"},"validFrom":"1992-04-02","validTo":"2017-05-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|M09990|1992-04-02|2017-05-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0133781","name":"Brian A  Dwyer et al"},"object":{"type":"mine","id":"3608127","name":"HANAS PIT #1"},"validFrom":"2017-05-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|0133781|2017-05-24|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13065","name":"Erie Aggregates, Inc."},"object":{"type":"mine","id":"3608127","name":"HANAS PIT #1"},"validFrom":"2020-06-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|L13065|2020-06-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0133781","name":"Brian A  Dwyer et al"},"object":{"type":"operator","id":"L13065","name":"Erie Aggregates, Inc."},"validFrom":"2020-06-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608127","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|L13065|2020-06-04|0133781|2017-05-24|26944"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0133781","name":"Dennis J  Dwyer et al"},"object":{"type":"operator","id":"L13065","name":"Erie Aggregates, Inc."},"validFrom":"2020-06-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608127","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|L13065|2020-06-04|0133781|2017-05-24|26945"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0133781","name":"Brian A  Dwyer II et al"},"object":{"type":"operator","id":"L13065","name":"Erie Aggregates, Inc."},"validFrom":"2020-06-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608127","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|L13065|2020-06-04|0133781|2017-05-24|26946"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09990","name":"Deborah A  Will"},"object":{"type":"operator","id":"L13065","name":"Erie Aggregates, Inc."},"validFrom":"2020-06-04","validTo":"2017-05-23","current":false,"derived":true,"evidenceMineId":"3608127","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608127|L13065|2020-06-04|M09990|1992-04-02|148114"}}],"coverage":{"historyRecords":6,"edgeCount":11,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3608127","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"}}