{"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":"1515455","name":"#1"},"operator":{"type":"operator","id":"0057277","name":"Century Operations LLC"},"controller":{"type":"controller","id":"0047609","name":"Broe Companies Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07007","name":"Bow Valley Industries Ltd"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1980-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|C07007|1980-12-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11423","name":"Bow Valley Coal (Ky) Inc"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1985-12-01","validTo":"1987-02-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P11423|1985-12-01|1987-02-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07007","name":"Bow Valley Industries Ltd"},"object":{"type":"operator","id":"P11423","name":"Bow Valley Coal (Ky) Inc"},"validFrom":"1985-12-01","validTo":"1987-02-15","current":false,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P11423|1985-12-01|C07007|1980-12-01|73475"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22292","name":"Crockett Collieries (Ky) Inc"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1987-02-16","validTo":"1995-08-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P22292|1987-02-16|1995-08-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12763","name":"Great Western Resources Inc"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1987-02-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|C12763|1987-02-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12763","name":"Great Western Resources Inc"},"object":{"type":"operator","id":"P22292","name":"Crockett Collieries (Ky) Inc"},"validFrom":"1987-02-16","validTo":"1995-08-14","current":false,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P22292|1987-02-16|C12763|1987-02-16|87861"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14616","name":"Charles  Collins"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1992-02-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|C14616|1992-02-05|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23214","name":"Crockett Collieries (Ky) Inc"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1995-08-15","validTo":"1995-09-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P23214|1995-08-15|1995-09-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14870","name":"George E  Barker"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1995-08-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|C14870|1995-08-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14870","name":"George E  Barker"},"object":{"type":"operator","id":"P23214","name":"Crockett Collieries (Ky) Inc"},"validFrom":"1995-08-15","validTo":"1995-09-10","current":false,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P23214|1995-08-15|C14870|1995-08-15|94129"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23216","name":"Good Coal Company"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1995-09-11","validTo":"1997-06-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P23216|1995-09-11|1997-06-17"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15290","name":"James  Goodwin"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1995-09-11","validTo":"1997-06-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|C15290|1995-09-11|1997-06-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15290","name":"James  Goodwin"},"object":{"type":"operator","id":"P23216","name":"Good Coal Company"},"validFrom":"1995-09-11","validTo":"1997-06-17","current":false,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P23216|1995-09-11|C15290|1995-09-11|95180"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23780","name":"Good Coal Company"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1997-06-18","validTo":"1998-05-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P23780|1997-06-18|1998-05-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13936","name":"Bill  Stacy"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1997-06-18","validTo":"1998-09-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|C13936|1997-06-18|1998-09-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13936","name":"Bill  Stacy"},"object":{"type":"operator","id":"P23780","name":"Good Coal Company"},"validFrom":"1997-06-18","validTo":"1998-05-21","current":false,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P23780|1997-06-18|C13936|1997-06-18|91529"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21889","name":"Calvary Coal Company Inc"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1998-05-22","validTo":"2001-01-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P21889|1998-05-22|2001-01-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14616","name":"Charles  Collins"},"object":{"type":"operator","id":"P21889","name":"Calvary Coal Company Inc"},"validFrom":"1998-05-22","validTo":"2001-01-15","current":false,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P21889|1998-05-22|C14616|1992-02-05|93404"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15866","name":"Roy C  Wagner"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"1999-10-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|C15866|1999-10-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24531","name":"Free Dome Coal Inc"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"2001-01-16","validTo":"2004-02-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P24531|2001-01-16|2004-02-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15997","name":"Jimmy  Root  et al"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"2001-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|C15997|2001-01-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15997","name":"Jimmy  Root  et al"},"object":{"type":"operator","id":"P24531","name":"Free Dome Coal Inc"},"validFrom":"2001-01-16","validTo":"2004-02-23","current":false,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P24531|2001-01-16|C15997|2001-01-16|97937"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15997","name":"Donnie  Wagers  et al"},"object":{"type":"operator","id":"P24531","name":"Free Dome Coal Inc"},"validFrom":"2001-01-16","validTo":"2004-02-23","current":false,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P24531|2001-01-16|C15997|2001-01-16|97938"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051973","name":"CoLe Mining Company Inc"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"2004-02-24","validTo":"2004-12-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|0051973|2004-02-24|2004-12-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042763","name":"Cecil  Lewis"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"2004-02-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|0042763|2004-02-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042763","name":"Cecil  Lewis"},"object":{"type":"operator","id":"0051973","name":"CoLe Mining Company Inc"},"validFrom":"2004-02-24","validTo":"2004-12-26","current":false,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|0051973|2004-02-24|0042763|2004-02-24|4267"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24283","name":"REBCO COAL INC."},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"2004-12-27","validTo":"2005-01-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P24283|2004-12-27|2005-01-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15866","name":"Roy C  Wagner"},"object":{"type":"operator","id":"P24283","name":"REBCO COAL INC."},"validFrom":"2004-12-27","validTo":"2005-01-13","current":false,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|P24283|2004-12-27|C15866|1999-10-18|97345"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0057277","name":"Century Operations LLC"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"2005-01-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|0057277|2005-01-14|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0047609","name":"Broe Companies Inc"},"object":{"type":"mine","id":"1515455","name":"#1"},"validFrom":"2005-01-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|0047609|2005-01-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0047609","name":"Broe Companies Inc"},"object":{"type":"operator","id":"0057277","name":"Century Operations LLC"},"validFrom":"2005-01-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"1515455","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1515455|0057277|2005-01-14|0047609|2005-01-14|5867"}}],"coverage":{"historyRecords":11,"edgeCount":31,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1515455","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"}}