{"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":"4104879","name":"Divot Quarry"},"operator":{"type":"operator","id":"L16618","name":"Texas Materials Group, 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":"M03958","name":"Charles W  Harrison Jr"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"1950-01-01","validTo":"2014-07-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|M03958|1950-01-01|2014-07-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"1999-07-01","validTo":"2006-08-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|M00049|1999-07-01|2006-08-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"4104879","name":"Divot 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":"4104879|M06183|2006-08-28|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0046253","name":"Matthew Ward  Hanna"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2010-08-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0046253|2010-08-04|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0112186","name":"Pinnacle Material, Inc."},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2011-05-02","validTo":"2012-05-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0112186|2011-05-02|2012-05-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0046253","name":"Matthew Ward  Hanna"},"object":{"type":"operator","id":"0112186","name":"Pinnacle Material, Inc."},"validFrom":"2011-05-02","validTo":"2012-05-07","current":false,"derived":true,"evidenceMineId":"4104879","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0112186|2011-05-02|0046253|2010-08-04|5606"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0046253","name":"Matthew Ward  Hanna"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2012-04-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0046253|2012-04-23|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0122550","name":"Pinnacle Materials LLC"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2012-05-08","validTo":"2013-08-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0122550|2012-05-08|2013-08-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0046253","name":"Matthew Ward  Hanna"},"object":{"type":"operator","id":"0122550","name":"Pinnacle Materials LLC"},"validFrom":"2012-05-08","validTo":"2013-08-06","current":false,"derived":true,"evidenceMineId":"4104879","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0122550|2012-05-08|0046253|2012-04-23|5618"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04903","name":"Allied Custom Gypsum"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2013-08-07","validTo":"2013-08-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|L04903|2013-08-07|2013-08-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03958","name":"Charles W  Harrison Jr"},"object":{"type":"operator","id":"L04903","name":"Allied Custom Gypsum"},"validFrom":"2013-08-07","validTo":"2013-08-08","current":false,"derived":true,"evidenceMineId":"4104879","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|L04903|2013-08-07|M03958|1950-01-01|130562"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0130914","name":"ACG Materials"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2013-08-09","validTo":"2018-12-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0130914|2013-08-09|2018-12-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03958","name":"Charles W  Harrison Jr"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2013-08-09","validTo":"2015-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|M03958|2013-08-09|2015-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03958","name":"Charles W  Harrison Jr"},"object":{"type":"operator","id":"0130914","name":"ACG Materials"},"validFrom":"2013-08-09","validTo":"2015-09-30","current":false,"derived":true,"evidenceMineId":"4104879","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0130914|2013-08-09|M03958|2013-08-09|130569"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0120301","name":"H I G Capital LLC"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2014-07-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0120301|2014-07-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0120301","name":"H I G Capital LLC"},"object":{"type":"operator","id":"L04903","name":"Allied Custom Gypsum"},"validFrom":"2014-07-15","validTo":"2013-08-08","current":false,"derived":true,"evidenceMineId":"4104879","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|L04903|2013-08-07|0120301|2014-07-15|23468"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0120301","name":"H I G Capital LLC"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2015-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0120301|2015-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0120301","name":"H I G Capital LLC"},"object":{"type":"operator","id":"0130914","name":"ACG Materials"},"validFrom":"2015-10-01","validTo":"2018-12-05","current":false,"derived":true,"evidenceMineId":"4104879","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0130914|2013-08-09|0120301|2015-10-01|23483"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0134041","name":"Angel Brothers Holdings Corp"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2017-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0134041|2017-05-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0160833","name":"ACG Materials"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2018-12-06","validTo":"2021-05-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0160833|2018-12-06|2021-05-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2018-12-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0144281|2018-12-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"object":{"type":"operator","id":"0160833","name":"ACG Materials"},"validFrom":"2018-12-06","validTo":"2021-05-10","current":false,"derived":true,"evidenceMineId":"4104879","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0160833|2018-12-06|0144281|2018-12-06|29299"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0151533","name":"Century Asphalt, Ltd."},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2021-05-11","validTo":"2021-07-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0151533|2021-05-11|2021-07-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0134041","name":"Angel Brothers Holdings Corp"},"object":{"type":"operator","id":"0151533","name":"Century Asphalt, Ltd."},"validFrom":"2021-05-11","validTo":"2021-07-30","current":false,"derived":true,"evidenceMineId":"4104879","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|0151533|2021-05-11|0134041|2017-05-01|26987"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16618","name":"Texas Materials Group, Inc"},"object":{"type":"mine","id":"4104879","name":"Divot Quarry"},"validFrom":"2021-07-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|L16618|2021-07-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"operator","id":"L16618","name":"Texas Materials Group, Inc"},"validFrom":"2021-07-31","validTo":"2006-08-27","current":false,"derived":true,"evidenceMineId":"4104879","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|L16618|2021-07-31|M00049|1999-07-01|102898"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L16618","name":"Texas Materials Group, Inc"},"validFrom":"2021-07-31","validTo":null,"current":true,"derived":true,"evidenceMineId":"4104879","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104879|L16618|2021-07-31|M06183|2006-08-28|137381"}}],"coverage":{"historyRecords":10,"edgeCount":27,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4104879","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"}}