{"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":"2302157","name":"Brickeys Quarry"},"operator":{"type":"operator","id":"L14926","name":"APAC Tennessee, Inc."},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"mine","id":"2302157","name":"Brickeys Quarry"},"validFrom":"1950-01-01","validTo":"2006-08-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|M00049|1950-01-01|2006-08-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"mine","id":"2302157","name":"Brickeys Quarry"},"validFrom":"1996-10-01","validTo":"2006-08-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|M00049|1996-10-01|2006-08-27"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15296","name":"Brickeys Stone Llc"},"object":{"type":"mine","id":"2302157","name":"Brickeys Quarry"},"validFrom":"1997-07-01","validTo":"2001-10-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L15296|1997-07-01|2001-10-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11669","name":"Apac-Tennessee Inc  et al"},"object":{"type":"mine","id":"2302157","name":"Brickeys Quarry"},"validFrom":"1997-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|M11669|1997-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11669","name":"Apac-Tennessee Inc  et al"},"object":{"type":"operator","id":"L15296","name":"Brickeys Stone Llc"},"validFrom":"1997-07-01","validTo":"2001-10-25","current":false,"derived":true,"evidenceMineId":"2302157","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L15296|1997-07-01|M11669|1997-07-01|152040"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11669","name":"Anderson-Tully Company  et al"},"object":{"type":"operator","id":"L15296","name":"Brickeys Stone Llc"},"validFrom":"1997-07-01","validTo":"2001-10-25","current":false,"derived":true,"evidenceMineId":"2302157","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L15296|1997-07-01|M11669|1997-07-01|152041"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051462","name":"Brickeys Quarry"},"object":{"type":"mine","id":"2302157","name":"Brickeys Quarry"},"validFrom":"2001-10-26","validTo":"2006-09-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|0051462|2001-10-26|2006-09-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"mine","id":"2302157","name":"Brickeys Quarry"},"validFrom":"2001-10-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|M00049|2001-10-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"operator","id":"0051462","name":"Brickeys Quarry"},"validFrom":"2001-10-26","validTo":"2006-09-27","current":false,"derived":true,"evidenceMineId":"2302157","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|0051462|2001-10-26|M00049|2001-10-26|102905"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"2302157","name":"Brickeys Quarry"},"validFrom":"2006-08-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|M06183|2006-08-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14926","name":"Apac Tennessee Inc Brickeys Quarry"},"object":{"type":"mine","id":"2302157","name":"Brickeys Quarry"},"validFrom":"2006-09-28","validTo":"2015-01-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L14926|2006-09-28|2015-01-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"operator","id":"L14926","name":"Apac Tennessee Inc Brickeys Quarry"},"validFrom":"2006-09-28","validTo":"2006-08-27","current":false,"derived":true,"evidenceMineId":"2302157","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L14926|2006-09-28|M00049|1996-10-01|102854"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L14926","name":"Apac Tennessee Inc Brickeys Quarry"},"validFrom":"2006-09-28","validTo":"2015-01-29","current":false,"derived":true,"evidenceMineId":"2302157","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L14926|2006-09-28|M06183|2006-08-28|137294"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09930","name":"APAC Kansas Inc.,"},"object":{"type":"mine","id":"2302157","name":"Brickeys Quarry"},"validFrom":"2015-01-30","validTo":"2020-01-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L09930|2015-01-30|2020-01-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"operator","id":"L09930","name":"APAC Kansas Inc.,"},"validFrom":"2015-01-30","validTo":"2006-08-27","current":false,"derived":true,"evidenceMineId":"2302157","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L09930|2015-01-30|M00049|1950-01-01|102645"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L09930","name":"APAC Kansas Inc.,"},"validFrom":"2015-01-30","validTo":"2020-01-01","current":false,"derived":true,"evidenceMineId":"2302157","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L09930|2015-01-30|M06183|2006-08-28|137295"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14926","name":"APAC Tennessee, Inc."},"object":{"type":"mine","id":"2302157","name":"Brickeys Quarry"},"validFrom":"2020-01-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L14926|2020-01-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"operator","id":"L14926","name":"APAC Tennessee, Inc."},"validFrom":"2020-01-02","validTo":"2006-08-27","current":false,"derived":true,"evidenceMineId":"2302157","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L14926|2020-01-02|M00049|1996-10-01|102855"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L14926","name":"APAC Tennessee, Inc."},"validFrom":"2020-01-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"2302157","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302157|L14926|2020-01-02|M06183|2006-08-28|137296"}}],"coverage":{"historyRecords":9,"edgeCount":19,"intervalAnomalies":3,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2302157","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"}}