{"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":"2301601","name":"Patriot Portable Plant"},"operator":{"type":"operator","id":"L14846","name":"Capital Quarries Company Inc"},"controller":{"type":"controller","id":"M02148","name":"Michael K Farmer; Elliott (Bud) E Farmer"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00774","name":"Eric S  Strope et al"},"object":{"type":"mine","id":"2301601","name":"Patriot Portable Plant"},"validFrom":"1950-01-01","validTo":"2011-04-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|M00774|1950-01-01|2011-04-18"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12286","name":"Meramec Rock & Ag-Lime Company"},"object":{"type":"mine","id":"2301601","name":"Patriot Portable Plant"},"validFrom":"1950-01-01","validTo":"1991-07-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|L12286|1950-01-01|1991-07-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09436","name":"David  Smith"},"object":{"type":"mine","id":"2301601","name":"Patriot Portable Plant"},"validFrom":"1950-01-01","validTo":"1991-07-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|M09436|1950-01-01|1991-07-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09436","name":"David  Smith"},"object":{"type":"operator","id":"L12286","name":"Meramec Rock & Ag-Lime Company"},"validFrom":"1950-01-01","validTo":"1991-07-23","current":false,"derived":true,"evidenceMineId":"2301601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|L12286|1950-01-01|M09436|1950-01-01|146413"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12287","name":"Smith Limestone Quarry"},"object":{"type":"mine","id":"2301601","name":"Patriot Portable Plant"},"validFrom":"1991-07-24","validTo":"1998-01-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|L12287|1991-07-24|1998-01-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09437","name":"Earl Dean  Smith"},"object":{"type":"mine","id":"2301601","name":"Patriot Portable Plant"},"validFrom":"1991-07-24","validTo":"1998-01-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|M09437|1991-07-24|1998-01-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09437","name":"Earl Dean  Smith"},"object":{"type":"operator","id":"L12287","name":"Smith Limestone Quarry"},"validFrom":"1991-07-24","validTo":"1998-01-31","current":false,"derived":true,"evidenceMineId":"2301601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|L12287|1991-07-24|M09437|1991-07-24|146414"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14846","name":"Capital Quarries Company Inc"},"object":{"type":"mine","id":"2301601","name":"Patriot Portable Plant"},"validFrom":"1998-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|L14846|1998-02-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00774","name":"Eric S  Strope et al"},"object":{"type":"operator","id":"L14846","name":"Capital Quarries Company Inc"},"validFrom":"1998-02-01","validTo":"2011-04-18","current":false,"derived":true,"evidenceMineId":"2301601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|L14846|1998-02-01|M00774|1950-01-01|114759"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02148","name":"Elliott (Bud) E Farmer  et al"},"object":{"type":"mine","id":"2301601","name":"Patriot Portable Plant"},"validFrom":"2011-04-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|M02148|2011-04-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02148","name":"Elliott (Bud) E Farmer  et al"},"object":{"type":"operator","id":"L14846","name":"Capital Quarries Company Inc"},"validFrom":"2011-04-19","validTo":null,"current":true,"derived":true,"evidenceMineId":"2301601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|L14846|1998-02-01|M02148|2011-04-19|124072"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02148","name":"Michael K Farmer  et al"},"object":{"type":"operator","id":"L14846","name":"Capital Quarries Company Inc"},"validFrom":"2011-04-19","validTo":null,"current":true,"derived":true,"evidenceMineId":"2301601","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2301601|L14846|1998-02-01|M02148|2011-04-19|124073"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2301601","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"}}