{"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":"2700002","name":"Kitledge Quarry"},"operator":{"type":"operator","id":"0198133","name":"Georgia Stone Management LLC"},"controller":{"type":"controller","id":"0187481","name":"Donald  Conte"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L03366","name":"Kitledge Granite Corp"},"object":{"type":"mine","id":"2700002","name":"Kitledge Quarry"},"validFrom":"1950-01-01","validTo":"1992-05-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|L03366|1950-01-01|1992-05-17"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02691","name":"Dennis  Barretto  et al"},"object":{"type":"mine","id":"2700002","name":"Kitledge Quarry"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|M02691|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02691","name":"Dennis  Barretto  et al"},"object":{"type":"operator","id":"L03366","name":"Kitledge Granite Corp"},"validFrom":"1950-01-01","validTo":"1992-05-17","current":false,"derived":true,"evidenceMineId":"2700002","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|L03366|1950-01-01|M02691|1950-01-01|126617"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02691","name":"John F  Barretto Sr  et al"},"object":{"type":"operator","id":"L03366","name":"Kitledge Granite Corp"},"validFrom":"1950-01-01","validTo":"1992-05-17","current":false,"derived":true,"evidenceMineId":"2700002","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|L03366|1950-01-01|M02691|1950-01-01|126618"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04321","name":"Pioneer International Ltd"},"object":{"type":"mine","id":"2700002","name":"Kitledge Quarry"},"validFrom":"1989-01-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|M04321|1989-01-03|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10782","name":"Fletcher Granite Company Inc"},"object":{"type":"mine","id":"2700002","name":"Kitledge Quarry"},"validFrom":"1992-05-18","validTo":"1999-04-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|L10782|1992-05-18|1999-04-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04321","name":"Pioneer International Ltd"},"object":{"type":"operator","id":"L10782","name":"Fletcher Granite Company Inc"},"validFrom":"1992-05-18","validTo":"1999-04-01","current":false,"derived":true,"evidenceMineId":"2700002","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|L10782|1992-05-18|M04321|1989-01-03|131707"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08009","name":"Antonio C  Ramos"},"object":{"type":"mine","id":"2700002","name":"Kitledge Quarry"},"validFrom":"1997-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|M08009|1997-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12909","name":"Kathleen  Herbert et al"},"object":{"type":"mine","id":"2700002","name":"Kitledge Quarry"},"validFrom":"1999-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|M12909|1999-04-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16905","name":"Fletcher Granite Company Llc"},"object":{"type":"mine","id":"2700002","name":"Kitledge Quarry"},"validFrom":"1999-04-02","validTo":"2010-11-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|L16905|1999-04-02|2010-11-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12909","name":"Kathleen  Herbert et al"},"object":{"type":"operator","id":"L16905","name":"Fletcher Granite Company Llc"},"validFrom":"1999-04-02","validTo":"2010-11-14","current":false,"derived":true,"evidenceMineId":"2700002","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|L16905|1999-04-02|M12909|1999-04-01|154928"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12909","name":"V B  Castellani  et al"},"object":{"type":"operator","id":"L16905","name":"Fletcher Granite Company Llc"},"validFrom":"1999-04-02","validTo":"2010-11-14","current":false,"derived":true,"evidenceMineId":"2700002","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|L16905|1999-04-02|M12909|1999-04-01|154929"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15437","name":"Georgia Stone Industries, Inc."},"object":{"type":"mine","id":"2700002","name":"Kitledge Quarry"},"validFrom":"2010-11-15","validTo":"2024-09-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|L15437|2010-11-15|2024-09-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08009","name":"Antonio C  Ramos"},"object":{"type":"operator","id":"L15437","name":"Georgia Stone Industries, Inc."},"validFrom":"2010-11-15","validTo":"2024-09-09","current":false,"derived":true,"evidenceMineId":"2700002","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|L15437|2010-11-15|M08009|1997-01-01|142541"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0198133","name":"Georgia Stone Management LLC"},"object":{"type":"mine","id":"2700002","name":"Kitledge Quarry"},"validFrom":"2024-09-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|0198133|2024-09-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0187481","name":"Donald  Conte"},"object":{"type":"mine","id":"2700002","name":"Kitledge Quarry"},"validFrom":"2024-09-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|0187481|2024-09-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0187481","name":"Donald  Conte"},"object":{"type":"operator","id":"0198133","name":"Georgia Stone Management LLC"},"validFrom":"2024-09-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"2700002","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2700002|0198133|2024-09-10|0187481|2024-09-10|39931"}}],"coverage":{"historyRecords":7,"edgeCount":17,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2700002","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"}}