{"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":"1102751","name":"Cheyenne Saline Co. #1"},"operator":{"type":"operator","id":"P24147","name":"Cheyenne Resources, Inc."},"controller":{"type":"controller","id":"C13425","name":"Ricky D  Kirk; Jerry  Wells Jr"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02556","name":"Robert P  Downen et al"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|C02556|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02437","name":"Jader Fuel Company Inc"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"1980-10-01","validTo":"1992-06-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P02437|1980-10-01|1992-06-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02556","name":"Robert P  Downen et al"},"object":{"type":"operator","id":"P02437","name":"Jader Fuel Company Inc"},"validFrom":"1980-10-01","validTo":"1992-06-28","current":false,"derived":true,"evidenceMineId":"1102751","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P02437|1980-10-01|C02556|1950-01-01|59973"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02556","name":"Edward W  Downen et al"},"object":{"type":"operator","id":"P02437","name":"Jader Fuel Company Inc"},"validFrom":"1980-10-01","validTo":"1992-06-28","current":false,"derived":true,"evidenceMineId":"1102751","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P02437|1980-10-01|C02556|1950-01-01|59974"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22081","name":"Richerson Excavating Service"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"1992-06-29","validTo":"1993-08-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P22081|1992-06-29|1993-08-04"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14714","name":"Jack  Richerson"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"1992-06-29","validTo":"1993-08-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|C14714|1992-06-29|1993-08-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14714","name":"Jack  Richerson"},"object":{"type":"operator","id":"P22081","name":"Richerson Excavating Service"},"validFrom":"1992-06-29","validTo":"1993-08-04","current":false,"derived":true,"evidenceMineId":"1102751","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P22081|1992-06-29|C14714|1992-06-29|93676"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22428","name":"Roper Contracting Inc"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"1993-08-05","validTo":"2000-03-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P22428|1993-08-05|2000-03-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14887","name":"Lisa  Walker"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"1993-08-05","validTo":"2000-03-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|C14887|1993-08-05|2000-03-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14887","name":"Lisa  Walker"},"object":{"type":"operator","id":"P22428","name":"Roper Contracting Inc"},"validFrom":"1993-08-05","validTo":"2000-03-24","current":false,"derived":true,"evidenceMineId":"1102751","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P22428|1993-08-05|C14887|1993-08-05|94228"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13425","name":"Ricky D  Kirk  et al"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"1999-02-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|C13425|1999-02-25|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24346","name":"Shawnee Contracting Llc"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"2000-03-25","validTo":"2001-06-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P24346|2000-03-25|2001-06-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15902","name":"Kurt  Williams"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"2000-03-25","validTo":"2001-06-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|C15902|2000-03-25|2001-06-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15902","name":"Kurt  Williams"},"object":{"type":"operator","id":"P24346","name":"Shawnee Contracting Llc"},"validFrom":"2000-03-25","validTo":"2001-06-11","current":false,"derived":true,"evidenceMineId":"1102751","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P24346|2000-03-25|C15902|2000-03-25|97571"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24682","name":"Illinois Fuel Company LLC"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"2001-06-12","validTo":"2015-10-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P24682|2001-06-12|2015-10-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16073","name":"John C  Smith Jr"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"2001-06-12","validTo":"2006-01-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|C16073|2001-06-12|2006-01-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16073","name":"John C  Smith Jr"},"object":{"type":"operator","id":"P24682","name":"Illinois Fuel Company LLC"},"validFrom":"2001-06-12","validTo":"2006-01-16","current":false,"derived":true,"evidenceMineId":"1102751","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P24682|2001-06-12|C16073|2001-06-12|98312"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0056689","name":"Energy Coal Resources Inc"},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"2006-01-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|0056689|2006-01-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0056689","name":"Energy Coal Resources Inc"},"object":{"type":"operator","id":"P24682","name":"Illinois Fuel Company LLC"},"validFrom":"2006-01-17","validTo":"2015-10-21","current":false,"derived":true,"evidenceMineId":"1102751","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P24682|2001-06-12|0056689|2006-01-17|7398"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24147","name":"Cheyenne Resources, Inc."},"object":{"type":"mine","id":"1102751","name":"Cheyenne Saline Co. #1"},"validFrom":"2015-10-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P24147|2015-10-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13425","name":"Ricky D  Kirk  et al"},"object":{"type":"operator","id":"P24147","name":"Cheyenne Resources, Inc."},"validFrom":"2015-10-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"1102751","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P24147|2015-10-22|C13425|1999-02-25|89938"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13425","name":"Jerry  Wells Jr  et al"},"object":{"type":"operator","id":"P24147","name":"Cheyenne Resources, Inc."},"validFrom":"2015-10-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"1102751","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1102751|P24147|2015-10-22|C13425|1999-02-25|89939"}}],"coverage":{"historyRecords":9,"edgeCount":22,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1102751","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"}}