{"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":"4608398","name":"Cranesville Stone Inc"},"operator":{"type":"operator","id":"L01108","name":"Keystone Lime Company Inc"},"controller":{"type":"controller","id":"0195422","name":"Kendra K Folk; Melinda F Gibson; Beverly A Critchfield"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00967","name":"Mark  Folk"},"object":{"type":"mine","id":"4608398","name":"Cranesville Stone Inc"},"validFrom":"1950-01-01","validTo":"2025-08-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|M00967|1950-01-01|2025-08-14"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L37377","name":"Pretzel Excavating"},"object":{"type":"mine","id":"4608398","name":"Cranesville Stone Inc"},"validFrom":"1993-03-01","validTo":"1996-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|L37377|1993-03-01|1996-05-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M37377","name":"David A Pretzel"},"object":{"type":"mine","id":"4608398","name":"Cranesville Stone Inc"},"validFrom":"1993-03-01","validTo":"1996-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|M37377|1993-03-01|1996-05-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M37377","name":"David A Pretzel"},"object":{"type":"operator","id":"L37377","name":"Pretzel Excavating"},"validFrom":"1993-03-01","validTo":"1996-05-31","current":false,"derived":true,"evidenceMineId":"4608398","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|L37377|1993-03-01|M37377|1993-03-01|166608"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14911","name":"Cranesville Stone Inc"},"object":{"type":"mine","id":"4608398","name":"Cranesville Stone Inc"},"validFrom":"1996-06-01","validTo":"2011-04-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|L14911|1996-06-01|2011-04-04"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11344","name":"Patrick F  Ware"},"object":{"type":"mine","id":"4608398","name":"Cranesville Stone Inc"},"validFrom":"1996-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|M11344|1996-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11344","name":"Patrick F  Ware"},"object":{"type":"operator","id":"L14911","name":"Cranesville Stone Inc"},"validFrom":"1996-06-01","validTo":"2011-04-04","current":false,"derived":true,"evidenceMineId":"4608398","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|L14911|1996-06-01|M11344|1996-06-01|151222"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01108","name":"Keystone Lime Company Inc"},"object":{"type":"mine","id":"4608398","name":"Cranesville Stone Inc"},"validFrom":"2011-04-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|L01108|2011-04-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00967","name":"Mark  Folk"},"object":{"type":"operator","id":"L01108","name":"Keystone Lime Company Inc"},"validFrom":"2011-04-05","validTo":"2025-08-14","current":false,"derived":true,"evidenceMineId":"4608398","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|L01108|2011-04-05|M00967|1950-01-01|116206"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0195422","name":"Melinda F Gibson et al"},"object":{"type":"mine","id":"4608398","name":"Cranesville Stone Inc"},"validFrom":"2025-08-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|0195422|2025-08-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0195422","name":"Melinda F Gibson et al"},"object":{"type":"operator","id":"L01108","name":"Keystone Lime Company Inc"},"validFrom":"2025-08-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608398","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|L01108|2011-04-05|0195422|2025-08-15|41756"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0195422","name":"Beverly A Critchfield et al"},"object":{"type":"operator","id":"L01108","name":"Keystone Lime Company Inc"},"validFrom":"2025-08-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608398","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|L01108|2011-04-05|0195422|2025-08-15|41757"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0195422","name":"Kendra K Folk et al"},"object":{"type":"operator","id":"L01108","name":"Keystone Lime Company Inc"},"validFrom":"2025-08-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608398","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608398|L01108|2011-04-05|0195422|2025-08-15|41758"}}],"coverage":{"historyRecords":6,"edgeCount":13,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4608398","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"}}