{"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":"1508412","name":"No 131 Mine"},"operator":{"type":"operator","id":"P10457","name":"Collins Coal Company"},"controller":{"type":"controller","id":"C07976","name":"Collins Goebel"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00464","name":"Owens Victor"},"object":{"type":"mine","id":"1508412","name":"No 131 Mine"},"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":"1508412|C00464|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00557","name":"Double O Coal Company"},"object":{"type":"mine","id":"1508412","name":"No 131 Mine"},"validFrom":"1975-06-06","validTo":"1979-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|P00557|1975-06-06|1979-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00464","name":"Owens Victor"},"object":{"type":"operator","id":"P00557","name":"Double O Coal Company"},"validFrom":"1975-06-06","validTo":"1979-09-30","current":false,"derived":true,"evidenceMineId":"1508412","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|P00557|1975-06-06|C00464|1950-01-01|47368"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10377","name":"T & M Coal Company"},"object":{"type":"mine","id":"1508412","name":"No 131 Mine"},"validFrom":"1979-10-01","validTo":"1980-04-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|P10377|1979-10-01|1980-04-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06733","name":"Taylor Mack & Terry Moore"},"object":{"type":"mine","id":"1508412","name":"No 131 Mine"},"validFrom":"1979-10-01","validTo":"1980-04-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|C06733|1979-10-01|1980-04-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06733","name":"Taylor Mack & Terry Moore"},"object":{"type":"operator","id":"P10377","name":"T & M Coal Company"},"validFrom":"1979-10-01","validTo":"1980-04-13","current":false,"derived":true,"evidenceMineId":"1508412","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|P10377|1979-10-01|C06733|1979-10-01|72832"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07976","name":"Collins Goebel"},"object":{"type":"mine","id":"1508412","name":"No 131 Mine"},"validFrom":"1980-03-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|C07976|1980-03-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10378","name":"M A R C Fuels Inc"},"object":{"type":"mine","id":"1508412","name":"No 131 Mine"},"validFrom":"1980-04-14","validTo":"1980-10-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|P10378|1980-04-14|1980-10-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07916","name":"Potter Barry D"},"object":{"type":"mine","id":"1508412","name":"No 131 Mine"},"validFrom":"1980-04-14","validTo":"1980-10-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|C07916|1980-04-14|1980-10-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07916","name":"Potter Barry D"},"object":{"type":"operator","id":"P10378","name":"M A R C Fuels Inc"},"validFrom":"1980-04-14","validTo":"1980-10-20","current":false,"derived":true,"evidenceMineId":"1508412","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|P10378|1980-04-14|C07916|1980-04-14|75977"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11100","name":"Flat Fork Coal Company Inc"},"object":{"type":"mine","id":"1508412","name":"No 131 Mine"},"validFrom":"1980-10-21","validTo":"1981-08-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|P11100|1980-10-21|1981-08-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08364","name":"Slone Roger & Robert"},"object":{"type":"mine","id":"1508412","name":"No 131 Mine"},"validFrom":"1980-10-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|C08364|1980-10-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08364","name":"Slone Roger & Robert"},"object":{"type":"operator","id":"P11100","name":"Flat Fork Coal Company Inc"},"validFrom":"1980-10-21","validTo":"1981-08-23","current":false,"derived":true,"evidenceMineId":"1508412","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|P11100|1980-10-21|C08364|1980-10-21|77101"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10457","name":"Collins Coal Company"},"object":{"type":"mine","id":"1508412","name":"No 131 Mine"},"validFrom":"1981-08-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|P10457|1981-08-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07976","name":"Collins Goebel"},"object":{"type":"operator","id":"P10457","name":"Collins Coal Company"},"validFrom":"1981-08-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"1508412","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508412|P10457|1981-08-24|C07976|1980-03-18|76094"}}],"coverage":{"historyRecords":5,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1508412","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"}}