{"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":"4606701","name":"Wyoming #1 Mine"},"operator":{"type":"operator","id":"P20515","name":"C & F Coal Company Inc"},"controller":{"type":"controller","id":"C00481","name":"Kennie Ray  Childers"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14695","name":"Pinnacle Creek Coal Company"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1983-10-01","validTo":"1984-06-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P14695|1983-10-01|1984-06-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10633","name":"Tosh Charles Iii"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1983-10-01","validTo":"1984-06-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|C10633|1983-10-01|1984-06-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10633","name":"Tosh Charles Iii"},"object":{"type":"operator","id":"P14695","name":"Pinnacle Creek Coal Company"},"validFrom":"1983-10-01","validTo":"1984-06-30","current":false,"derived":true,"evidenceMineId":"4606701","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P14695|1983-10-01|C10633|1983-10-01|82455"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15591","name":"Black Beauty Coal Company Inc"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1984-07-01","validTo":"1984-10-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P15591|1984-07-01|1984-10-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11173","name":"Muncy Dennis"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1984-07-01","validTo":"1984-10-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|C11173|1984-07-01|1984-10-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11173","name":"Muncy Dennis"},"object":{"type":"operator","id":"P15591","name":"Black Beauty Coal Company Inc"},"validFrom":"1984-07-01","validTo":"1984-10-21","current":false,"derived":true,"evidenceMineId":"4606701","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P15591|1984-07-01|C11173|1984-07-01|83805"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16579","name":"Shoreline Coal Company"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1984-10-22","validTo":"1986-06-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P16579|1984-10-22|1986-06-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06989","name":"Webb Raymond R"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1984-10-22","validTo":"1986-06-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|C06989|1984-10-22|1986-06-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06989","name":"Webb Raymond R"},"object":{"type":"operator","id":"P16579","name":"Shoreline Coal Company"},"validFrom":"1984-10-22","validTo":"1986-06-01","current":false,"derived":true,"evidenceMineId":"4606701","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P16579|1984-10-22|C06989|1984-10-22|73399"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18359","name":"Specialty Coal Corp Inc"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1986-06-02","validTo":"1987-11-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P18359|1986-06-02|1987-11-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12797","name":"Specialty Coal Corp Inc"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1986-06-02","validTo":"1987-11-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|C12797|1986-06-02|1987-11-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12797","name":"Specialty Coal Corp Inc"},"object":{"type":"operator","id":"P18359","name":"Specialty Coal Corp Inc"},"validFrom":"1986-06-02","validTo":"1987-11-19","current":false,"derived":true,"evidenceMineId":"4606701","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P18359|1986-06-02|C12797|1986-06-02|87924"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12016","name":"John F  Hale Jr"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1987-05-20","validTo":"1989-01-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|C12016|1987-05-20|1989-01-08"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19285","name":"West Virginia Ebony Construction Inc"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1987-11-20","validTo":"1988-09-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P19285|1987-11-20|1988-09-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12016","name":"John F  Hale Jr"},"object":{"type":"operator","id":"P19285","name":"West Virginia Ebony Construction Inc"},"validFrom":"1987-11-20","validTo":"1988-09-08","current":false,"derived":true,"evidenceMineId":"4606701","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P19285|1987-11-20|C12016|1987-05-20|85912"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13341","name":"Bill  Gardner"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1988-01-25","validTo":"1989-06-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|C13341|1988-01-25|1989-06-13"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19775","name":"Eldarodo Coal Inc"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1988-09-09","validTo":"1988-10-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P19775|1988-09-09|1988-10-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13529","name":"Richardson Carl"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1988-09-09","validTo":"1988-10-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|C13529|1988-09-09|1988-10-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13529","name":"Richardson Carl"},"object":{"type":"operator","id":"P19775","name":"Eldarodo Coal Inc"},"validFrom":"1988-09-09","validTo":"1988-10-03","current":false,"derived":true,"evidenceMineId":"4606701","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P19775|1988-09-09|C13529|1988-09-09|90239"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19414","name":"Dan-Dyster Corp"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1988-10-04","validTo":"1989-06-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P19414|1988-10-04|1989-06-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13341","name":"Bill  Gardner"},"object":{"type":"operator","id":"P19414","name":"Dan-Dyster Corp"},"validFrom":"1988-10-04","validTo":"1989-06-13","current":false,"derived":true,"evidenceMineId":"4606701","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P19414|1988-10-04|C13341|1988-01-25|89365"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20318","name":"Dan-Dyster Corp"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1989-06-14","validTo":"1989-08-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P20318|1989-06-14|1989-08-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13855","name":"Timothy  Fitzwater"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1989-06-14","validTo":"1990-12-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|C13855|1989-06-14|1990-12-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13855","name":"Timothy  Fitzwater"},"object":{"type":"operator","id":"P20318","name":"Dan-Dyster Corp"},"validFrom":"1989-06-14","validTo":"1989-08-30","current":false,"derived":true,"evidenceMineId":"4606701","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P20318|1989-06-14|C13855|1989-06-14|91306"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20515","name":"C & F Coal Company Inc"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1989-08-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P20515|1989-08-31|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00481","name":"Kennie Ray  Childers"},"object":{"type":"mine","id":"4606701","name":"Wyoming #1 Mine"},"validFrom":"1989-08-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|C00481|1989-08-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00481","name":"Kennie Ray  Childers"},"object":{"type":"operator","id":"P20515","name":"C & F Coal Company Inc"},"validFrom":"1989-08-31","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606701","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606701|P20515|1989-08-31|C00481|1989-08-31|47502"}}],"coverage":{"historyRecords":9,"edgeCount":27,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606701","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"}}