{"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":"2026-10-17T05:35:58.500035+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":"4105067","name":"Stanton # 1867"},"operator":{"type":"operator","id":"0186653","name":"Arcosa Aggregates Texas, LLC"},"controller":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03958","name":"Charles W  Harrison Jr"},"object":{"type":"mine","id":"4105067","name":"Stanton # 1867"},"validFrom":"2013-08-09","validTo":"2015-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|M03958|2013-08-09|2015-09-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0082293","name":"Daniel O  Corrigan et al"},"object":{"type":"mine","id":"4105067","name":"Stanton # 1867"},"validFrom":"2014-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0082293|2014-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0132674","name":"The Gravel Company, LLC"},"object":{"type":"mine","id":"4105067","name":"Stanton # 1867"},"validFrom":"2014-04-01","validTo":"2014-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0132674|2014-04-01|2014-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0082293","name":"Daniel O  Corrigan et al"},"object":{"type":"operator","id":"0132674","name":"The Gravel Company, LLC"},"validFrom":"2014-04-01","validTo":"2014-09-30","current":false,"derived":true,"evidenceMineId":"4105067","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0132674|2014-04-01|0082293|2014-01-01|13056"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0082293","name":"Traeger L  Hamilton et al"},"object":{"type":"operator","id":"0132674","name":"The Gravel Company, LLC"},"validFrom":"2014-04-01","validTo":"2014-09-30","current":false,"derived":true,"evidenceMineId":"4105067","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0132674|2014-04-01|0082293|2014-01-01|13057"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0130914","name":"ACG Materials"},"object":{"type":"mine","id":"4105067","name":"Stanton # 1867"},"validFrom":"2014-10-01","validTo":"2018-12-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0130914|2014-10-01|2018-12-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03958","name":"Charles W  Harrison Jr"},"object":{"type":"operator","id":"0130914","name":"ACG Materials"},"validFrom":"2014-10-01","validTo":"2015-09-30","current":false,"derived":true,"evidenceMineId":"4105067","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0130914|2014-10-01|M03958|2013-08-09|130611"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0120301","name":"H I G Capital LLC"},"object":{"type":"mine","id":"4105067","name":"Stanton # 1867"},"validFrom":"2015-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|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":"4105067","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0130914|2014-10-01|0120301|2015-10-01|23496"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0160833","name":"ACG Materials"},"object":{"type":"mine","id":"4105067","name":"Stanton # 1867"},"validFrom":"2018-12-06","validTo":"2022-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0160833|2018-12-06|2022-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"object":{"type":"mine","id":"4105067","name":"Stanton # 1867"},"validFrom":"2018-12-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|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":"2022-12-31","current":false,"derived":true,"evidenceMineId":"4105067","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0160833|2018-12-06|0144281|2018-12-06|29312"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0186653","name":"Arcosa Aggregates Texas, LLC"},"object":{"type":"mine","id":"4105067","name":"Stanton # 1867"},"validFrom":"2023-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0186653|2023-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"object":{"type":"mine","id":"4105067","name":"Stanton # 1867"},"validFrom":"2023-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0144281|2023-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"object":{"type":"operator","id":"0186653","name":"Arcosa Aggregates Texas, LLC"},"validFrom":"2023-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4105067","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105067|0186653|2023-01-01|0144281|2023-01-01|29406"}}],"coverage":{"historyRecords":6,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4105067","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}