{"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":"1302419","name":"PCP #1"},"operator":{"type":"operator","id":"0087864","name":"Cleveringa Excavating LLC"},"controller":{"type":"controller","id":"0073811","name":"Chad  Cleveringa"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0073811","name":"Chad  Cleveringa"},"object":{"type":"mine","id":"1302419","name":"PCP #1"},"validFrom":"2008-03-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302419|0073811|2008-03-04|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0087864","name":"Cleveringa Excavating"},"object":{"type":"mine","id":"1302419","name":"PCP #1"},"validFrom":"2011-06-15","validTo":"2013-07-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302419|0087864|2011-06-15|2013-07-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0073811","name":"Chad  Cleveringa"},"object":{"type":"operator","id":"0087864","name":"Cleveringa Excavating"},"validFrom":"2011-06-15","validTo":"2013-07-08","current":false,"derived":true,"evidenceMineId":"1302419","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302419|0087864|2011-06-15|0073811|2008-03-04|11492"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0131373","name":"Cinles Lake Gravel LLC."},"object":{"type":"mine","id":"1302419","name":"PCP #1"},"validFrom":"2013-07-09","validTo":"2019-02-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302419|0131373|2013-07-09|2019-02-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0111781","name":"Les Jay  Cleveringa et al"},"object":{"type":"mine","id":"1302419","name":"PCP #1"},"validFrom":"2013-07-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302419|0111781|2013-07-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0111781","name":"Les Jay  Cleveringa et al"},"object":{"type":"operator","id":"0131373","name":"Cinles Lake Gravel LLC."},"validFrom":"2013-07-09","validTo":"2019-02-26","current":false,"derived":true,"evidenceMineId":"1302419","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302419|0131373|2013-07-09|0111781|2013-07-09|20597"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0111781","name":"Cindy Ann  Cleveringa et al"},"object":{"type":"operator","id":"0131373","name":"Cinles Lake Gravel LLC."},"validFrom":"2013-07-09","validTo":"2019-02-26","current":false,"derived":true,"evidenceMineId":"1302419","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302419|0131373|2013-07-09|0111781|2013-07-09|20598"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0087864","name":"Cleveringa Excavating LLC"},"object":{"type":"mine","id":"1302419","name":"PCP #1"},"validFrom":"2019-02-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302419|0087864|2019-02-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0073811","name":"Chad  Cleveringa"},"object":{"type":"operator","id":"0087864","name":"Cleveringa Excavating LLC"},"validFrom":"2019-02-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"1302419","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302419|0087864|2019-02-27|0073811|2008-03-04|11493"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1302419","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"}}