{"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":"2026-10-17T05:35:58.500035+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":"4606222","name":"Coalburg No 1"},"operator":{"type":"operator","id":"P18034","name":"Desirae Mining Inc"},"controller":{"type":"controller","id":"C10936","name":"Browning Ted R"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11409","name":"K C & D Mining Company Inc"},"object":{"type":"mine","id":"4606222","name":"Coalburg No 1"},"validFrom":"1980-09-01","validTo":"1981-08-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|P11409|1980-09-01|1981-08-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07896","name":"Holdren Clarence J"},"object":{"type":"mine","id":"4606222","name":"Coalburg No 1"},"validFrom":"1980-09-01","validTo":"1981-08-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|C07896|1980-09-01|1981-08-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07896","name":"Holdren Clarence J"},"object":{"type":"operator","id":"P11409","name":"K C & D Mining Company Inc"},"validFrom":"1980-09-01","validTo":"1981-08-13","current":false,"derived":true,"evidenceMineId":"4606222","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|P11409|1980-09-01|C07896|1980-09-01|75955"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12278","name":"K C & D Mining Company Inc"},"object":{"type":"mine","id":"4606222","name":"Coalburg No 1"},"validFrom":"1981-08-14","validTo":"1985-07-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|P12278|1981-08-14|1985-07-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09091","name":"Holbrook Dennis-Kenneth S Stallsmith Et Al"},"object":{"type":"mine","id":"4606222","name":"Coalburg No 1"},"validFrom":"1981-08-14","validTo":"1985-07-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|C09091|1981-08-14|1985-07-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09091","name":"Holbrook Dennis-Kenneth S Stallsmith Et Al"},"object":{"type":"operator","id":"P12278","name":"K C & D Mining Company Inc"},"validFrom":"1981-08-14","validTo":"1985-07-10","current":false,"derived":true,"evidenceMineId":"4606222","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|P12278|1981-08-14|C09091|1981-08-14|78889"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16799","name":"Belinda Mining Inc"},"object":{"type":"mine","id":"4606222","name":"Coalburg No 1"},"validFrom":"1985-07-11","validTo":"1986-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|P16799|1985-07-11|1986-09-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11891","name":"Dennis  Holbrook"},"object":{"type":"mine","id":"4606222","name":"Coalburg No 1"},"validFrom":"1985-07-11","validTo":"1986-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|C11891|1985-07-11|1986-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11891","name":"Dennis  Holbrook"},"object":{"type":"operator","id":"P16799","name":"Belinda Mining Inc"},"validFrom":"1985-07-11","validTo":"1986-09-30","current":false,"derived":true,"evidenceMineId":"4606222","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|P16799|1985-07-11|C11891|1985-07-11|85652"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18034","name":"Desirae Mining Inc"},"object":{"type":"mine","id":"4606222","name":"Coalburg No 1"},"validFrom":"1986-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|P18034|1986-10-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10936","name":"Browning Ted R"},"object":{"type":"mine","id":"4606222","name":"Coalburg No 1"},"validFrom":"1986-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|C10936|1986-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10936","name":"Browning Ted R"},"object":{"type":"operator","id":"P18034","name":"Desirae Mining Inc"},"validFrom":"1986-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606222","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606222|P18034|1986-10-01|C10936|1986-10-01|83191"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606222","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}