{"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":"4502700","name":"JLS CRUSHER #2"},"operator":{"type":"operator","id":"L08232","name":"J L Storedahl & Sons Inc"},"controller":{"type":"controller","id":"0145161","name":"Kimball  Storedahl; Kevin  Storedahl"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09176","name":"Clark Aggregates Inc"},"object":{"type":"mine","id":"4502700","name":"JLS CRUSHER #2"},"validFrom":"1979-01-01","validTo":"1987-02-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4502700|L09176|1979-01-01|1987-02-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07230","name":"Ralph  Gilbert"},"object":{"type":"mine","id":"4502700","name":"JLS CRUSHER #2"},"validFrom":"1979-01-01","validTo":"1987-02-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4502700|M07230|1979-01-01|1987-02-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07230","name":"Ralph  Gilbert"},"object":{"type":"operator","id":"L09176","name":"Clark Aggregates Inc"},"validFrom":"1979-01-01","validTo":"1987-02-03","current":false,"derived":true,"evidenceMineId":"4502700","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4502700|L09176|1979-01-01|M07230|1979-01-01|140385"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04276","name":"Jerry L  Storedahl"},"object":{"type":"mine","id":"4502700","name":"JLS CRUSHER #2"},"validFrom":"1985-06-18","validTo":"2018-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4502700|M04276|1985-06-18|2018-12-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08232","name":"J L Storedahl & Sons Inc"},"object":{"type":"mine","id":"4502700","name":"JLS CRUSHER #2"},"validFrom":"1987-02-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4502700|L08232|1987-02-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04276","name":"Jerry L  Storedahl"},"object":{"type":"operator","id":"L08232","name":"J L Storedahl & Sons Inc"},"validFrom":"1987-02-04","validTo":"2018-12-31","current":false,"derived":true,"evidenceMineId":"4502700","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4502700|L08232|1987-02-04|M04276|1985-06-18|131585"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0145161","name":"Kevin  Storedahl et al"},"object":{"type":"mine","id":"4502700","name":"JLS CRUSHER #2"},"validFrom":"2019-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4502700|0145161|2019-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0145161","name":"Kevin  Storedahl et al"},"object":{"type":"operator","id":"L08232","name":"J L Storedahl & Sons Inc"},"validFrom":"2019-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4502700","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4502700|L08232|1987-02-04|0145161|2019-01-01|29655"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0145161","name":"Kimball  Storedahl et al"},"object":{"type":"operator","id":"L08232","name":"J L Storedahl & Sons Inc"},"validFrom":"2019-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4502700","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4502700|L08232|1987-02-04|0145161|2019-01-01|29656"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4502700","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"}}