{"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":"4400164","name":"Glade Stone Plant"},"operator":{"type":"operator","id":"L12054","name":"Appalachian Aggregates, LLC"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01593","name":"D W L Inc"},"object":{"type":"mine","id":"4400164","name":"Glade Stone Plant"},"validFrom":"1950-01-01","validTo":"1998-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|L01593|1950-01-01|1998-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07891","name":"W-L Construction & Paving Inc"},"object":{"type":"mine","id":"4400164","name":"Glade Stone Plant"},"validFrom":"1950-01-01","validTo":"1998-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|M07891|1950-01-01|1998-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07891","name":"W-L Construction & Paving Inc"},"object":{"type":"operator","id":"L01593","name":"D W L Inc"},"validFrom":"1950-01-01","validTo":"1998-12-31","current":false,"derived":true,"evidenceMineId":"4400164","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|L01593|1950-01-01|M07891|1950-01-01|142169"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00780","name":"Boxley Materials Co"},"object":{"type":"mine","id":"4400164","name":"Glade Stone Plant"},"validFrom":"1991-03-01","validTo":"2015-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|M00780|1991-03-01|2015-12-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18205","name":"Glade Stone Inc"},"object":{"type":"mine","id":"4400164","name":"Glade Stone Plant"},"validFrom":"1999-01-01","validTo":"2006-01-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|L18205|1999-01-01|2006-01-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09788","name":"Steve L  Lawson et al"},"object":{"type":"mine","id":"4400164","name":"Glade Stone Plant"},"validFrom":"1999-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|M09788|1999-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09788","name":"Steve L  Lawson et al"},"object":{"type":"operator","id":"L18205","name":"Glade Stone Inc"},"validFrom":"1999-01-01","validTo":"2006-01-24","current":false,"derived":true,"evidenceMineId":"4400164","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|L18205|1999-01-01|M09788|1999-01-01|147526"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"4400164","name":"Glade Stone Plant"},"validFrom":"2006-01-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|M06183|2006-01-23|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0067823","name":"Mountain Materials, Inc."},"object":{"type":"mine","id":"4400164","name":"Glade Stone Plant"},"validFrom":"2006-01-25","validTo":"2020-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|0067823|2006-01-25|2020-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"0067823","name":"Mountain Materials, Inc."},"validFrom":"2006-01-25","validTo":"2020-12-31","current":false,"derived":true,"evidenceMineId":"4400164","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|0067823|2006-01-25|M06183|2006-01-23|137135"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"4400164","name":"Glade Stone Plant"},"validFrom":"2016-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|M06183|2016-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12054","name":"Appalachian Aggregates, LLC"},"object":{"type":"mine","id":"4400164","name":"Glade Stone Plant"},"validFrom":"2021-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|L12054|2021-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00780","name":"Boxley Materials Co"},"object":{"type":"operator","id":"L12054","name":"Appalachian Aggregates, LLC"},"validFrom":"2021-01-01","validTo":"2015-12-31","current":false,"derived":true,"evidenceMineId":"4400164","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|L12054|2021-01-01|M00780|1991-03-01|114769"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L12054","name":"Appalachian Aggregates, LLC"},"validFrom":"2021-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4400164","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4400164|L12054|2021-01-01|M06183|2016-01-01|137541"}}],"coverage":{"historyRecords":5,"edgeCount":14,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4400164","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"}}