{"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":"3601781","name":"Iac/Refuse Disposal"},"operator":{"type":"operator","id":"P21446","name":"International Anthracite Corp"},"controller":{"type":"controller","id":"C00660","name":"Ronald  Lickman"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01235","name":"Williamson Alfred P"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"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":"3601781|C01235|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01459","name":"Wilson Coal Company"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"validFrom":"1950-01-01","validTo":"1976-02-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P01459|1950-01-01|1976-02-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01236","name":"Wilson Coal Company"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"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":"3601781|C01236|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01236","name":"Wilson Coal Company"},"object":{"type":"operator","id":"P01459","name":"Wilson Coal Company"},"validFrom":"1950-01-01","validTo":"1976-02-10","current":false,"derived":true,"evidenceMineId":"3601781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P01459|1950-01-01|C01236|1950-01-01|53002"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01458","name":"Williamson Coal Company Inc"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"validFrom":"1976-02-11","validTo":"1979-06-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P01458|1976-02-11|1979-06-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01235","name":"Williamson Alfred P"},"object":{"type":"operator","id":"P01458","name":"Williamson Coal Company Inc"},"validFrom":"1976-02-11","validTo":"1979-06-17","current":false,"derived":true,"evidenceMineId":"3601781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P01458|1976-02-11|C01235|1950-01-01|53000"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10410","name":"G M P Land Company Inc"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"validFrom":"1979-06-18","validTo":"1980-04-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P10410|1979-06-18|1980-04-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06147","name":"Goos Karl F"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"validFrom":"1979-06-18","validTo":"1991-06-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|C06147|1979-06-18|1991-06-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06147","name":"Goos Karl F"},"object":{"type":"operator","id":"P10410","name":"G M P Land Company Inc"},"validFrom":"1979-06-18","validTo":"1980-04-11","current":false,"derived":true,"evidenceMineId":"3601781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P10410|1979-06-18|C06147|1979-06-18|70875"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10412","name":"International Anthracite Corp"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"validFrom":"1980-04-12","validTo":"1988-07-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P10412|1980-04-12|1988-07-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07490","name":"Total Compagnie Francaise Des Petroles"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"validFrom":"1980-04-12","validTo":"1988-07-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|C07490|1980-04-12|1988-07-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07490","name":"Total Compagnie Francaise Des Petroles"},"object":{"type":"operator","id":"P10412","name":"International Anthracite Corp"},"validFrom":"1980-04-12","validTo":"1988-07-14","current":false,"derived":true,"evidenceMineId":"3601781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P10412|1980-04-12|C07490|1980-04-12|74856"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19644","name":"International Anthracite Corp"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"validFrom":"1988-07-15","validTo":"1991-04-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P19644|1988-07-15|1991-04-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13463","name":"Sunnyside Mines Inc"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"validFrom":"1988-07-15","validTo":"1991-04-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|C13463|1988-07-15|1991-04-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13463","name":"Sunnyside Mines Inc"},"object":{"type":"operator","id":"P19644","name":"International Anthracite Corp"},"validFrom":"1988-07-15","validTo":"1991-04-25","current":false,"derived":true,"evidenceMineId":"3601781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P19644|1988-07-15|C13463|1988-07-15|90076"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21446","name":"International Anthracite Corp"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"validFrom":"1991-04-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P21446|1991-04-26|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00660","name":"Ronald  Lickman"},"object":{"type":"mine","id":"3601781","name":"Iac/Refuse Disposal"},"validFrom":"1991-04-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|C00660|1991-04-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00660","name":"Ronald  Lickman"},"object":{"type":"operator","id":"P21446","name":"International Anthracite Corp"},"validFrom":"1991-04-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"3601781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601781|P21446|1991-04-26|C00660|1991-04-26|48888"}}],"coverage":{"historyRecords":6,"edgeCount":18,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3601781","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"}}