{"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":"3607248","name":"Eaton Pit"},"operator":{"type":"operator","id":"L02649","name":"American Asphalt Paving Company"},"controller":{"type":"controller","id":"0138421","name":"Bernard C (aka Jr.)  Banks"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00002","name":"Koppers Company Inc"},"object":{"type":"mine","id":"3607248","name":"Eaton Pit"},"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":"3607248|M00002|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02228","name":"John F  Banks  et al"},"object":{"type":"mine","id":"3607248","name":"Eaton Pit"},"validFrom":"1950-01-01","validTo":"2017-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|M02228|1950-01-01|2017-12-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07179","name":"Wilkes-Barre Construction Company"},"object":{"type":"mine","id":"3607248","name":"Eaton Pit"},"validFrom":"1981-12-01","validTo":"1984-04-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|L07179|1981-12-01|1984-04-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02228","name":"Bernard C  Banks  et al"},"object":{"type":"mine","id":"3607248","name":"Eaton Pit"},"validFrom":"1981-12-01","validTo":"1984-04-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|M02228|1981-12-01|1984-04-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02228","name":"Bernard C  Banks  et al"},"object":{"type":"operator","id":"L07179","name":"Wilkes-Barre Construction Company"},"validFrom":"1981-12-01","validTo":"1984-04-03","current":false,"derived":true,"evidenceMineId":"3607248","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|L07179|1981-12-01|M02228|1981-12-01|124384"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00032","name":"General Crushed Stone Company"},"object":{"type":"mine","id":"3607248","name":"Eaton Pit"},"validFrom":"1984-04-04","validTo":"1985-05-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|L00032|1984-04-04|1985-05-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00002","name":"Koppers Company Inc"},"object":{"type":"operator","id":"L00032","name":"General Crushed Stone Company"},"validFrom":"1984-04-04","validTo":"1985-05-06","current":false,"derived":true,"evidenceMineId":"3607248","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|L00032|1984-04-04|M00002|1950-01-01|100336"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02649","name":"American Asphalt Paving Company"},"object":{"type":"mine","id":"3607248","name":"Eaton Pit"},"validFrom":"1985-05-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|L02649|1985-05-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02228","name":"John F  Banks  et al"},"object":{"type":"operator","id":"L02649","name":"American Asphalt Paving Company"},"validFrom":"1985-05-07","validTo":"2017-12-31","current":false,"derived":true,"evidenceMineId":"3607248","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|L02649|1985-05-07|M02228|1950-01-01|124380"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02228","name":"Bernard C  Banks  et al"},"object":{"type":"operator","id":"L02649","name":"American Asphalt Paving Company"},"validFrom":"1985-05-07","validTo":"2017-12-31","current":false,"derived":true,"evidenceMineId":"3607248","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|L02649|1985-05-07|M02228|1950-01-01|124381"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0138421","name":"Bernard C (aka Jr.)  Banks"},"object":{"type":"mine","id":"3607248","name":"Eaton Pit"},"validFrom":"2018-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|0138421|2018-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0138421","name":"Bernard C (aka Jr.)  Banks"},"object":{"type":"operator","id":"L02649","name":"American Asphalt Paving Company"},"validFrom":"2018-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3607248","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3607248|L02649|1985-05-07|0138421|2018-01-01|28005"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3607248","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"}}