{"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":"1513060","name":"Zion Mining Co Inc #5"},"operator":{"type":"operator","id":"P15444","name":"Zion Mining Company"},"controller":{"type":"controller","id":"C08633","name":"Conley Meritt"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05250","name":"David F  May"},"object":{"type":"mine","id":"1513060","name":"Zion Mining Co Inc #5"},"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":"1513060|C05250|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07679","name":"M & W Coal Company Inc"},"object":{"type":"mine","id":"1513060","name":"Zion Mining Co Inc #5"},"validFrom":"1981-08-01","validTo":"1982-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513060|P07679|1981-08-01|1982-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05250","name":"David F  May"},"object":{"type":"operator","id":"P07679","name":"M & W Coal Company Inc"},"validFrom":"1981-08-01","validTo":"1982-09-30","current":false,"derived":true,"evidenceMineId":"1513060","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513060|P07679|1981-08-01|C05250|1950-01-01|67977"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13816","name":"M & W Coal Company Inc"},"object":{"type":"mine","id":"1513060","name":"Zion Mining Co Inc #5"},"validFrom":"1982-10-01","validTo":"1984-03-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513060|P13816|1982-10-01|1984-03-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05822","name":"M Lynn  Parrish"},"object":{"type":"mine","id":"1513060","name":"Zion Mining Co Inc #5"},"validFrom":"1982-10-01","validTo":"1984-03-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513060|C05822|1982-10-01|1984-03-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05822","name":"M Lynn  Parrish"},"object":{"type":"operator","id":"P13816","name":"M & W Coal Company Inc"},"validFrom":"1982-10-01","validTo":"1984-03-22","current":false,"derived":true,"evidenceMineId":"1513060","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513060|P13816|1982-10-01|C05822|1982-10-01|69997"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15444","name":"Zion Mining Company"},"object":{"type":"mine","id":"1513060","name":"Zion Mining Co Inc #5"},"validFrom":"1984-03-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513060|P15444|1984-03-23|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08633","name":"Conley Meritt"},"object":{"type":"mine","id":"1513060","name":"Zion Mining Co Inc #5"},"validFrom":"1984-03-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513060|C08633|1984-03-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08633","name":"Conley Meritt"},"object":{"type":"operator","id":"P15444","name":"Zion Mining Company"},"validFrom":"1984-03-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"1513060","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513060|P15444|1984-03-23|C08633|1984-03-23|77839"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1513060","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"}}