{"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":"1504407","name":"No 1 Plant"},"operator":{"type":"operator","id":"P22510","name":"Park Valley Inc"},"controller":{"type":"controller","id":"C14927","name":"Bill  Wagers"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02500","name":"Short Creek Coal Company"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1950-01-01","validTo":"1973-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P02500|1950-01-01|1973-09-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02152","name":"Short Creek Coal Company"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1950-01-01","validTo":"1973-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|C02152|1950-01-01|1973-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02152","name":"Short Creek Coal Company"},"object":{"type":"operator","id":"P02500","name":"Short Creek Coal Company"},"validFrom":"1950-01-01","validTo":"1973-09-30","current":false,"derived":true,"evidenceMineId":"1504407","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P02500|1950-01-01|C02152|1950-01-01|57613"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02153","name":"Kilburn Walter"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1973-03-01","validTo":"1974-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|C02153|1973-03-01|1974-09-30"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02501","name":"A & J Coal Company"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1973-10-01","validTo":"1974-03-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P02501|1973-10-01|1974-03-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02153","name":"Kilburn Walter"},"object":{"type":"operator","id":"P02501","name":"A & J Coal Company"},"validFrom":"1973-10-01","validTo":"1974-03-01","current":false,"derived":true,"evidenceMineId":"1504407","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P02501|1973-10-01|C02153|1973-03-01|57614"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02154","name":"Simpson James W"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1973-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|C02154|1973-11-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02502","name":"Skyuka Mining Corp"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1974-03-02","validTo":"1975-07-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P02502|1974-03-02|1975-07-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02154","name":"Simpson James W"},"object":{"type":"operator","id":"P02502","name":"Skyuka Mining Corp"},"validFrom":"1974-03-02","validTo":"1975-07-28","current":false,"derived":true,"evidenceMineId":"1504407","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P02502|1974-03-02|C02154|1973-11-01|57616"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01547","name":"T W Oil Inc"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1975-07-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|C01547|1975-07-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02503","name":"Joc Coal Mining Inc"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1975-07-29","validTo":"1981-02-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P02503|1975-07-29|1981-02-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01547","name":"T W Oil Inc"},"object":{"type":"operator","id":"P02503","name":"Joc Coal Mining Inc"},"validFrom":"1975-07-29","validTo":"1981-02-11","current":false,"derived":true,"evidenceMineId":"1504407","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P02503|1975-07-29|C01547|1975-07-28|54736"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11472","name":"Hatfield Terminals Inc"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1981-02-12","validTo":"1985-11-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P11472|1981-02-12|1985-11-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08598","name":"James T  Hatfield"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1981-02-12","validTo":"1985-11-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|C08598|1981-02-12|1985-11-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08598","name":"James T  Hatfield"},"object":{"type":"operator","id":"P11472","name":"Hatfield Terminals Inc"},"validFrom":"1981-02-12","validTo":"1985-11-05","current":false,"derived":true,"evidenceMineId":"1504407","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P11472|1981-02-12|C08598|1981-02-12|77730"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17210","name":"Co Clay Inc"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1985-11-06","validTo":"1987-04-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P17210|1985-11-06|1987-04-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12066","name":"Cotton John"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1985-11-06","validTo":"1987-04-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|C12066|1985-11-06|1987-04-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12066","name":"Cotton John"},"object":{"type":"operator","id":"P17210","name":"Co Clay Inc"},"validFrom":"1985-11-06","validTo":"1987-04-13","current":false,"derived":true,"evidenceMineId":"1504407","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P17210|1985-11-06|C12066|1985-11-06|86055"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18694","name":"Co Clay Inc"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1987-04-14","validTo":"1990-07-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P18694|1987-04-14|1990-07-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12989","name":"Bishop William H"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1987-04-14","validTo":"1990-07-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|C12989|1987-04-14|1990-07-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12989","name":"Bishop William H"},"object":{"type":"operator","id":"P18694","name":"Co Clay Inc"},"validFrom":"1987-04-14","validTo":"1990-07-02","current":false,"derived":true,"evidenceMineId":"1504407","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P18694|1987-04-14|C12989|1987-04-14|88328"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21104","name":"Hazel Creek Energy Inc"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1990-07-03","validTo":"1993-07-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P21104|1990-07-03|1993-07-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14226","name":"Brown Clyde Jr"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1990-07-03","validTo":"1993-07-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|C14226|1990-07-03|1993-07-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14226","name":"Brown Clyde Jr"},"object":{"type":"operator","id":"P21104","name":"Hazel Creek Energy Inc"},"validFrom":"1990-07-03","validTo":"1993-07-21","current":false,"derived":true,"evidenceMineId":"1504407","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P21104|1990-07-03|C14226|1990-07-03|92250"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22510","name":"Park Valley Inc"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1993-07-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P22510|1993-07-22|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14927","name":"Bill  Wagers"},"object":{"type":"mine","id":"1504407","name":"No 1 Plant"},"validFrom":"1993-07-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|C14927|1993-07-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14927","name":"Bill  Wagers"},"object":{"type":"operator","id":"P22510","name":"Park Valley Inc"},"validFrom":"1993-07-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"1504407","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504407|P22510|1993-07-22|C14927|1993-07-22|94273"}}],"coverage":{"historyRecords":9,"edgeCount":27,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1504407","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"}}