{"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":"1519359","name":"Bear Branch Mine Auger No. 1"},"operator":{"type":"operator","id":"0124953","name":"Hard Rock Energy, LLC"},"controller":{"type":"controller","id":"0106141","name":"Jerry L.  Meade"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0096126","name":"Augustus Augering & Contracting Inc"},"object":{"type":"mine","id":"1519359","name":"Bear Branch Mine Auger No. 1"},"validFrom":"2008-12-02","validTo":"2012-02-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0096126|2008-12-02|2012-02-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0068753","name":"William A  Stephens et al"},"object":{"type":"mine","id":"1519359","name":"Bear Branch Mine Auger No. 1"},"validFrom":"2008-12-02","validTo":"2015-04-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0068753|2008-12-02|2015-04-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0068753","name":"William A  Stephens et al"},"object":{"type":"operator","id":"0096126","name":"Augustus Augering & Contracting Inc"},"validFrom":"2008-12-02","validTo":"2012-02-14","current":false,"derived":true,"evidenceMineId":"1519359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0096126|2008-12-02|0068753|2008-12-02|9713"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0121331","name":"Mineral Logistics, LLC"},"object":{"type":"mine","id":"1519359","name":"Bear Branch Mine Auger No. 1"},"validFrom":"2012-02-15","validTo":"2012-09-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0121331|2012-02-15|2012-09-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0103139","name":"Casey W.  Horton"},"object":{"type":"mine","id":"1519359","name":"Bear Branch Mine Auger No. 1"},"validFrom":"2012-02-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0103139|2012-02-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0103139","name":"Casey W.  Horton"},"object":{"type":"operator","id":"0121331","name":"Mineral Logistics, LLC"},"validFrom":"2012-02-15","validTo":"2012-09-16","current":false,"derived":true,"evidenceMineId":"1519359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0121331|2012-02-15|0103139|2012-02-15|17776"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0124953","name":"Hard Rock Energy, LLC"},"object":{"type":"mine","id":"1519359","name":"Bear Branch Mine Auger No. 1"},"validFrom":"2012-09-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0124953|2012-09-17|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0106141","name":"Jerry L.  Meade"},"object":{"type":"mine","id":"1519359","name":"Bear Branch Mine Auger No. 1"},"validFrom":"2012-09-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0106141|2012-09-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0106141","name":"Jerry L.  Meade"},"object":{"type":"operator","id":"0124953","name":"Hard Rock Energy, LLC"},"validFrom":"2012-09-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0124953|2012-09-17|0106141|2012-09-17|18742"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119741","name":"Melodye G  Stephens et al"},"object":{"type":"mine","id":"1519359","name":"Bear Branch Mine Auger No. 1"},"validFrom":"2015-04-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0119741|2015-04-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119741","name":"Melodye G  Stephens et al"},"object":{"type":"operator","id":"0096126","name":"Augustus Augering & Contracting Inc"},"validFrom":"2015-04-25","validTo":"2012-02-14","current":false,"derived":true,"evidenceMineId":"1519359","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0096126|2008-12-02|0119741|2015-04-25|23292"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119741","name":"Karen A  Stephens et al"},"object":{"type":"operator","id":"0096126","name":"Augustus Augering & Contracting Inc"},"validFrom":"2015-04-25","validTo":"2012-02-14","current":false,"derived":true,"evidenceMineId":"1519359","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0096126|2008-12-02|0119741|2015-04-25|23293"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119741","name":"David A  Lester et al"},"object":{"type":"operator","id":"0096126","name":"Augustus Augering & Contracting Inc"},"validFrom":"2015-04-25","validTo":"2012-02-14","current":false,"derived":true,"evidenceMineId":"1519359","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519359|0096126|2008-12-02|0119741|2015-04-25|23294"}}],"coverage":{"historyRecords":6,"edgeCount":13,"intervalAnomalies":3,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1519359","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"}}