{"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":"0600020","name":"GALASSO MATERIALS LLC"},"operator":{"type":"operator","id":"L15207","name":"GALASSO MATERIALS LLC"},"controller":{"type":"controller","id":"0124241","name":"Peter K  Tully"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01552","name":"Roncari Industries Inc"},"object":{"type":"mine","id":"0600020","name":"GALASSO MATERIALS LLC"},"validFrom":"1950-01-01","validTo":"1995-07-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|L01552|1950-01-01|1995-07-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01385","name":"Raymond A  Roncari"},"object":{"type":"mine","id":"0600020","name":"GALASSO MATERIALS LLC"},"validFrom":"1950-01-01","validTo":"1995-07-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|M01385|1950-01-01|1995-07-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01385","name":"Raymond A  Roncari"},"object":{"type":"operator","id":"L01552","name":"Roncari Industries Inc"},"validFrom":"1950-01-01","validTo":"1995-07-07","current":false,"derived":true,"evidenceMineId":"0600020","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|L01552|1950-01-01|M01385|1950-01-01|118320"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01433","name":"BTR PLC"},"object":{"type":"mine","id":"0600020","name":"GALASSO MATERIALS LLC"},"validFrom":"1995-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|M01433|1995-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14255","name":"Tilcon Roncari Inc"},"object":{"type":"mine","id":"0600020","name":"GALASSO MATERIALS LLC"},"validFrom":"1995-07-08","validTo":"1997-03-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|L14255|1995-07-08|1997-03-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01433","name":"BTR PLC"},"object":{"type":"operator","id":"L14255","name":"Tilcon Roncari Inc"},"validFrom":"1995-07-08","validTo":"1997-03-05","current":false,"derived":true,"evidenceMineId":"0600020","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|L14255|1995-07-08|M01433|1995-07-01|118627"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15207","name":"Galasso Materials LLC"},"object":{"type":"mine","id":"0600020","name":"GALASSO MATERIALS LLC"},"validFrom":"1997-03-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|L15207|1997-03-06|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04537","name":"Emil J  Galasso et al"},"object":{"type":"mine","id":"0600020","name":"GALASSO MATERIALS LLC"},"validFrom":"1997-03-06","validTo":"2016-02-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|M04537|1997-03-06|2016-02-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04537","name":"Emil J  Galasso et al"},"object":{"type":"operator","id":"L15207","name":"Galasso Materials LLC"},"validFrom":"1997-03-06","validTo":"2016-02-02","current":false,"derived":true,"evidenceMineId":"0600020","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|L15207|1997-03-06|M04537|1997-03-06|132182"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0124241","name":"Peter K  Tully"},"object":{"type":"mine","id":"0600020","name":"GALASSO MATERIALS LLC"},"validFrom":"2016-02-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|0124241|2016-02-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0124241","name":"Peter K  Tully"},"object":{"type":"operator","id":"L15207","name":"Galasso Materials LLC"},"validFrom":"2016-02-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"0600020","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0600020|L15207|1997-03-06|0124241|2016-02-03|24108"}}],"coverage":{"historyRecords":4,"edgeCount":11,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0600020","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"}}