{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4404083","name":"No 1 Mine","status":"Abandoned","status_date":"1985-12-31","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"VA","county":"Buchanan","nearest_town":"Stacy","operator_id":"P17105","operator_name":"Quadrangle Resources Inc","controller_id":"C12073","controller_name":"Yates David","district":"C05","office":"Vansant VA Field Office","employees":0,"latitude":37.3236,"longitude":-82.005},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":7},"relationships":{"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":"4404083","name":"No 1 Mine"},"operator":{"type":"operator","id":"P17105","name":"Quadrangle Resources Inc"},"controller":{"type":"controller","id":"C12073","name":"Yates David"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01396","name":"Matney Otis"},"object":{"type":"mine","id":"4404083","name":"No 1 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":"4404083|C01396|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01651","name":"Rockhouse Coal Corp"},"object":{"type":"mine","id":"4404083","name":"No 1 Mine"},"validFrom":"1975-01-01","validTo":"1976-09-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|P01651|1975-01-01|1976-09-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01396","name":"Matney Otis"},"object":{"type":"operator","id":"P01651","name":"Rockhouse Coal Corp"},"validFrom":"1975-01-01","validTo":"1976-09-27","current":false,"derived":true,"evidenceMineId":"4404083","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|P01651|1975-01-01|C01396|1950-01-01|53893"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01779","name":"Matney Roger"},"object":{"type":"mine","id":"4404083","name":"No 1 Mine"},"validFrom":"1976-05-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|C01779|1976-05-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02096","name":"Cherokee Coal Company"},"object":{"type":"mine","id":"4404083","name":"No 1 Mine"},"validFrom":"1976-09-28","validTo":"1978-03-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|P02096|1976-09-28|1978-03-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01779","name":"Matney Roger"},"object":{"type":"operator","id":"P02096","name":"Cherokee Coal Company"},"validFrom":"1976-09-28","validTo":"1978-03-21","current":false,"derived":true,"evidenceMineId":"4404083","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|P02096|1976-09-28|C01779|1976-05-18|56099"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05468","name":"Davis Joe C Jr"},"object":{"type":"mine","id":"4404083","name":"No 1 Mine"},"validFrom":"1977-06-01","validTo":"1982-10-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|C05468|1977-06-01|1982-10-11"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06585","name":"Big Eagle Coal Corp"},"object":{"type":"mine","id":"4404083","name":"No 1 Mine"},"validFrom":"1978-03-22","validTo":"1982-10-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|P06585|1978-03-22|1982-10-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05468","name":"Davis Joe C Jr"},"object":{"type":"operator","id":"P06585","name":"Big Eagle Coal Corp"},"validFrom":"1978-03-22","validTo":"1982-10-11","current":false,"derived":true,"evidenceMineId":"4404083","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|P06585|1978-03-22|C05468|1977-06-01|68909"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13812","name":"Splashdam Smokeless Coal Corp"},"object":{"type":"mine","id":"4404083","name":"No 1 Mine"},"validFrom":"1982-10-12","validTo":"1985-07-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|P13812|1982-10-12|1985-07-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08324","name":"Jordan Dave"},"object":{"type":"mine","id":"4404083","name":"No 1 Mine"},"validFrom":"1982-10-12","validTo":"1985-07-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|C08324|1982-10-12|1985-07-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08324","name":"Jordan Dave"},"object":{"type":"operator","id":"P13812","name":"Splashdam Smokeless Coal Corp"},"validFrom":"1982-10-12","validTo":"1985-07-21","current":false,"derived":true,"evidenceMineId":"4404083","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|P13812|1982-10-12|C08324|1982-10-12|77030"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17105","name":"Quadrangle Resources Inc"},"object":{"type":"mine","id":"4404083","name":"No 1 Mine"},"validFrom":"1985-07-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|P17105|1985-07-22|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12073","name":"Yates David"},"object":{"type":"mine","id":"4404083","name":"No 1 Mine"},"validFrom":"1985-07-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|C12073|1985-07-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12073","name":"Yates David"},"object":{"type":"operator","id":"P17105","name":"Quadrangle Resources Inc"},"validFrom":"1985-07-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"4404083","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404083|P17105|1985-07-22|C12073|1985-07-22|86083"}}],"coverage":{"historyRecords":5,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"1985-12-31","lastDate":"1985-12-31","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":5,"firstDate":"1975-01-01","lastDate":"1985-07-22","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":4},"periods":{},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]}],"safety":{"href":"/api/v1/mines/4404083/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4404083/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4404083","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}