{"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":"4202658","name":"Pisgah Aggs"},"operator":{"type":"operator","id":"0050765","name":"Staker & Parson Companies"},"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":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"4202658","name":"Pisgah Aggs"},"validFrom":"2002-05-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|M06183|2002-05-30|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0143653","name":"Pisgah Stone Products LLC"},"object":{"type":"mine","id":"4202658","name":"Pisgah Aggs"},"validFrom":"2016-02-22","validTo":"2026-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0143653|2016-02-22|2026-07-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0123301","name":"William  Horsley et al"},"object":{"type":"mine","id":"4202658","name":"Pisgah Aggs"},"validFrom":"2016-02-22","validTo":"2016-12-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0123301|2016-02-22|2016-12-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0123301","name":"William  Horsley et al"},"object":{"type":"operator","id":"0143653","name":"Pisgah Stone Products LLC"},"validFrom":"2016-02-22","validTo":"2016-12-22","current":false,"derived":true,"evidenceMineId":"4202658","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0143653|2016-02-22|0123301|2016-02-22|23957"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0123301","name":"Leo R Beus et al"},"object":{"type":"operator","id":"0143653","name":"Pisgah Stone Products LLC"},"validFrom":"2016-02-22","validTo":"2016-12-22","current":false,"derived":true,"evidenceMineId":"4202658","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0143653|2016-02-22|0123301|2016-02-22|23958"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0131121","name":"Michael K  Schugg et al"},"object":{"type":"mine","id":"4202658","name":"Pisgah Aggs"},"validFrom":"2016-12-23","validTo":"2017-09-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0131121|2016-12-23|2017-09-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0131121","name":"Michael K  Schugg et al"},"object":{"type":"operator","id":"0143653","name":"Pisgah Stone Products LLC"},"validFrom":"2016-12-23","validTo":"2017-09-21","current":false,"derived":true,"evidenceMineId":"4202658","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0143653|2016-02-22|0131121|2016-12-23|26316"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0131121","name":"Annette  Beus et al"},"object":{"type":"operator","id":"0143653","name":"Pisgah Stone Products LLC"},"validFrom":"2016-12-23","validTo":"2017-09-21","current":false,"derived":true,"evidenceMineId":"4202658","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0143653|2016-02-22|0131121|2016-12-23|26317"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0131121","name":"Leo R  Beus et al"},"object":{"type":"operator","id":"0143653","name":"Pisgah Stone Products LLC"},"validFrom":"2016-12-23","validTo":"2017-09-21","current":false,"derived":true,"evidenceMineId":"4202658","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0143653|2016-02-22|0131121|2016-12-23|26318"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0137661","name":"Pisgah Holdings LLC"},"object":{"type":"mine","id":"4202658","name":"Pisgah Aggs"},"validFrom":"2017-09-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0137661|2017-09-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0137661","name":"Pisgah Holdings LLC"},"object":{"type":"operator","id":"0143653","name":"Pisgah Stone Products LLC"},"validFrom":"2017-09-22","validTo":"2026-07-09","current":false,"derived":true,"evidenceMineId":"4202658","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0143653|2016-02-22|0137661|2017-09-22|27826"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050765","name":"Staker & Parson Companies"},"object":{"type":"mine","id":"4202658","name":"Pisgah Aggs"},"validFrom":"2026-07-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0050765|2026-07-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"0050765","name":"Staker & Parson Companies"},"validFrom":"2026-07-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"4202658","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202658|0050765|2026-07-10|M06183|2002-05-30|137051"}}],"coverage":{"historyRecords":7,"edgeCount":13,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4202658","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"}}