{"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":"0103403","name":"Hickory Bend"},"operator":{"type":"operator","id":"0089784","name":"Wiregrass Construction Co., Inc."},"controller":{"type":"controller","id":"0114721","name":"Construction Partners Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"mine","id":"0103403","name":"Hickory Bend"},"validFrom":"2001-07-12","validTo":"2015-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|M02063|2001-07-12|2015-07-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"mine","id":"0103403","name":"Hickory Bend"},"validFrom":"2001-07-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|M02063|2001-07-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0075391","name":"John  Harper"},"object":{"type":"mine","id":"0103403","name":"Hickory Bend"},"validFrom":"2008-04-23","validTo":"2014-07-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0075391|2008-04-23|2014-07-07"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050826","name":"Lafarge Aggregates Southeast Inc"},"object":{"type":"mine","id":"0103403","name":"Hickory Bend"},"validFrom":"2009-01-13","validTo":"2010-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0050826|2009-01-13|2010-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"operator","id":"0050826","name":"Lafarge Aggregates Southeast Inc"},"validFrom":"2009-01-13","validTo":"2010-12-31","current":false,"derived":true,"evidenceMineId":"0103403","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0050826|2009-01-13|M02063|2001-07-12|123459"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050815","name":"Lafarge Building Materials, Inc."},"object":{"type":"mine","id":"0103403","name":"Hickory Bend"},"validFrom":"2011-01-01","validTo":"2014-07-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0050815|2011-01-01|2014-07-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"operator","id":"0050815","name":"Lafarge Building Materials, Inc."},"validFrom":"2011-01-01","validTo":"2014-07-07","current":false,"derived":true,"evidenceMineId":"0103403","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0050815|2011-01-01|M02063|2001-07-12|123396"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0089784","name":"Wiregrass Construction Co., Inc."},"object":{"type":"mine","id":"0103403","name":"Hickory Bend"},"validFrom":"2014-07-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0089784|2014-07-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0075391","name":"John  Harper"},"object":{"type":"operator","id":"0089784","name":"Wiregrass Construction Co., Inc."},"validFrom":"2014-07-08","validTo":"2014-07-07","current":false,"derived":true,"evidenceMineId":"0103403","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0089784|2014-07-08|0075391|2008-04-23|11795"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0114721","name":"Construction Partners Inc"},"object":{"type":"mine","id":"0103403","name":"Hickory Bend"},"validFrom":"2014-07-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0114721|2014-07-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0114721","name":"Construction Partners Inc"},"object":{"type":"operator","id":"0089784","name":"Wiregrass Construction Co., Inc."},"validFrom":"2014-07-08","validTo":null,"current":true,"derived":true,"evidenceMineId":"0103403","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0089784|2014-07-08|0114721|2014-07-08|21568"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"mine","id":"0103403","name":"Hickory Bend"},"validFrom":"2015-07-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0119681|2015-07-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"operator","id":"0050815","name":"Lafarge Building Materials, Inc."},"validFrom":"2015-07-10","validTo":"2014-07-07","current":false,"derived":true,"evidenceMineId":"0103403","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103403|0050815|2011-01-01|0119681|2015-07-10|23159"}}],"coverage":{"historyRecords":5,"edgeCount":13,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0103403","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"}}