{"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":"2026-10-18T09:31:49.615908+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":"4703703","name":"Weyerhaeuser Operations"},"operator":{"type":"operator","id":"0130273","name":"Source Energy Services Proppants LP."},"controller":{"type":"controller","id":"0177361","name":"Scott  Melbourn; Shawn  Furlong"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0110821","name":"Brad  Thompson et al"},"object":{"type":"mine","id":"4703703","name":"Weyerhaeuser Operations"},"validFrom":"2013-10-16","validTo":"2021-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4703703|0110821|2013-10-16|2021-04-30"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0130273","name":"Source Energy Services Proppants LP."},"object":{"type":"mine","id":"4703703","name":"Weyerhaeuser Operations"},"validFrom":"2013-11-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4703703|0130273|2013-11-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0110821","name":"Brad  Thompson et al"},"object":{"type":"operator","id":"0130273","name":"Source Energy Services Proppants LP."},"validFrom":"2013-11-18","validTo":"2021-04-30","current":false,"derived":true,"evidenceMineId":"4703703","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4703703|0130273|2013-11-18|0110821|2013-10-16|20340"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0110821","name":"Jim  McMahon et al"},"object":{"type":"operator","id":"0130273","name":"Source Energy Services Proppants LP."},"validFrom":"2013-11-18","validTo":"2021-04-30","current":false,"derived":true,"evidenceMineId":"4703703","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4703703|0130273|2013-11-18|0110821|2013-10-16|20341"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0163203","name":"Brad  Thompson"},"object":{"type":"mine","id":"4703703","name":"Weyerhaeuser Operations"},"validFrom":"2021-05-01","validTo":"2022-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4703703|0163203|2021-05-01|2022-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0163203","name":"Brad  Thompson"},"object":{"type":"operator","id":"0130273","name":"Source Energy Services Proppants LP."},"validFrom":"2021-05-01","validTo":"2022-09-30","current":false,"derived":true,"evidenceMineId":"4703703","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4703703|0130273|2013-11-18|0163203|2021-05-01|34193"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0177361","name":"Shawn  Furlong"},"object":{"type":"mine","id":"4703703","name":"Weyerhaeuser Operations"},"validFrom":"2022-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4703703|0177361|2022-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0177361","name":"Shawn  Furlong"},"object":{"type":"operator","id":"0130273","name":"Source Energy Services Proppants LP."},"validFrom":"2022-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703703","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4703703|0130273|2013-11-18|0177361|2022-10-01|38043"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0177361","name":"Scott  Melbourn"},"object":{"type":"operator","id":"0130273","name":"Source Energy Services Proppants LP."},"validFrom":"2022-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703703","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4703703|0130273|2013-11-18|0177361|2022-10-01|38044"}}],"coverage":{"historyRecords":5,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4703703","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}