{"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":"4606530","name":"Mine No 22-B"},"operator":{"type":"operator","id":"P10572","name":"Big Boot Mining Company Inc"},"controller":{"type":"controller","id":"C08042","name":"Cole Bobby J & Ralph J Lester"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08042","name":"Cole Bobby J & Ralph J Lester"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1980-06-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|C08042|1980-06-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13422","name":"Ramada Mining Inc"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1982-05-01","validTo":"1986-08-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P13422|1982-05-01|1986-08-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00884","name":"William G  Skewes"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1982-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|C00884|1982-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00884","name":"William G  Skewes"},"object":{"type":"operator","id":"P13422","name":"Ramada Mining Inc"},"validFrom":"1982-05-01","validTo":"1986-08-24","current":false,"derived":true,"evidenceMineId":"4606530","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P13422|1982-05-01|C00884|1982-05-01|50883"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12340","name":"Dillon Samuel E"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1986-04-11","validTo":"2001-05-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|C12340|1986-04-11|2001-05-21"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17578","name":"J J & S Coal Corp"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1986-08-25","validTo":"1988-05-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P17578|1986-08-25|1988-05-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12340","name":"Dillon Samuel E"},"object":{"type":"operator","id":"P17578","name":"J J & S Coal Corp"},"validFrom":"1986-08-25","validTo":"1988-05-24","current":false,"derived":true,"evidenceMineId":"4606530","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P17578|1986-08-25|C12340|1986-04-11|86725"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19530","name":"A & G Mining Inc"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1988-05-25","validTo":"1989-06-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P19530|1988-05-25|1989-06-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13400","name":"Monk Arlie H (Rusty) Ii"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1988-05-25","validTo":"1989-06-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|C13400|1988-05-25|1989-06-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13400","name":"Monk Arlie H (Rusty) Ii"},"object":{"type":"operator","id":"P19530","name":"A & G Mining Inc"},"validFrom":"1988-05-25","validTo":"1989-06-29","current":false,"derived":true,"evidenceMineId":"4606530","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P19530|1988-05-25|C13400|1988-05-25|89544"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13228","name":"Howerton Michael J"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1989-01-27","validTo":"1990-04-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|C13228|1989-01-27|1990-04-19"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20138","name":"Venture Coal Company Inc"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1989-06-30","validTo":"1989-07-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P20138|1989-06-30|1989-07-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13228","name":"Howerton Michael J"},"object":{"type":"operator","id":"P20138","name":"Venture Coal Company Inc"},"validFrom":"1989-06-30","validTo":"1989-07-18","current":false,"derived":true,"evidenceMineId":"4606530","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P20138|1989-06-30|C13228|1989-01-27|89051"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20579","name":"J & J Leasing & Managing Inc"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1989-07-19","validTo":"1990-07-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P20579|1989-07-19|1990-07-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13997","name":"Morgan John R & Ronnie B Nelson"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1989-07-19","validTo":"1990-07-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|C13997|1989-07-19|1990-07-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13997","name":"Morgan John R & Ronnie B Nelson"},"object":{"type":"operator","id":"P20579","name":"J & J Leasing & Managing Inc"},"validFrom":"1989-07-19","validTo":"1990-07-10","current":false,"derived":true,"evidenceMineId":"4606530","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P20579|1989-07-19|C13997|1989-07-19|91680"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10572","name":"Big Boot Mining Company Inc"},"object":{"type":"mine","id":"4606530","name":"Mine No 22-B"},"validFrom":"1990-07-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P10572|1990-07-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08042","name":"Cole Bobby J & Ralph J Lester"},"object":{"type":"operator","id":"P10572","name":"Big Boot Mining Company Inc"},"validFrom":"1990-07-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606530","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4606530|P10572|1990-07-11|C08042|1980-06-10|76275"}}],"coverage":{"historyRecords":6,"edgeCount":18,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606530","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"}}