{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4404133","name":"No 2 Mine","status":"Abandoned","status_date":"1979-10-01","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"VA","county":"Buchanan","nearest_town":"","operator_id":"P06361","operator_name":"R & H Coal Company","controller_id":"C00734","controller_name":"Hall Luther R & James C Rife","district":"C05","office":"Norton District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":9},"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":"4404133","name":"No 2 Mine"},"operator":{"type":"operator","id":"P06361","name":"R & H Coal Company"},"controller":{"type":"controller","id":"C00734","name":"Hall Luther R & James C Rife"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03061","name":"Bearwallow Coal Company"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1975-07-29","validTo":"1975-11-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P03061|1975-07-29|1975-11-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02619","name":"Colley Kenneth"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1975-07-29","validTo":"1975-11-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|C02619|1975-07-29|1975-11-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02619","name":"Colley Kenneth"},"object":{"type":"operator","id":"P03061","name":"Bearwallow Coal Company"},"validFrom":"1975-07-29","validTo":"1975-11-20","current":false,"derived":true,"evidenceMineId":"4404133","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P03061|1975-07-29|C02619|1975-07-29|60262"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00374","name":"Dotson Bobby & James Little"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1975-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|C00374|1975-09-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03062","name":"Bearwallow Coal Company"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1975-11-21","validTo":"1976-05-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P03062|1975-11-21|1976-05-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02620","name":"Swiney Melvin & Gerald Clouse"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1975-11-21","validTo":"1976-05-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|C02620|1975-11-21|1976-05-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02620","name":"Swiney Melvin & Gerald Clouse"},"object":{"type":"operator","id":"P03062","name":"Bearwallow Coal Company"},"validFrom":"1975-11-21","validTo":"1976-05-18","current":false,"derived":true,"evidenceMineId":"4404133","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P03062|1975-11-21|C02620|1975-11-21|60263"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03064","name":"Bearwallow Coal Company"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1976-05-19","validTo":"1976-12-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P03064|1976-05-19|1976-12-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02614","name":"Davis Donald Ray"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1976-05-19","validTo":"1976-12-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|C02614|1976-05-19|1976-12-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02614","name":"Davis Donald Ray"},"object":{"type":"operator","id":"P03064","name":"Bearwallow Coal Company"},"validFrom":"1976-05-19","validTo":"1976-12-14","current":false,"derived":true,"evidenceMineId":"4404133","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P03064|1976-05-19|C02614|1976-05-19|60230"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03643","name":"Bearwallow Mining Company Inc"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1976-12-15","validTo":"1977-07-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P03643|1976-12-15|1977-07-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03007","name":"Billy Ray  Dotson"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1976-12-15","validTo":"1977-07-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|C03007|1976-12-15|1977-07-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03007","name":"Billy Ray  Dotson"},"object":{"type":"operator","id":"P03643","name":"Bearwallow Mining Company Inc"},"validFrom":"1976-12-15","validTo":"1977-07-26","current":false,"derived":true,"evidenceMineId":"4404133","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P03643|1976-12-15|C03007|1976-12-15|61604"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03905","name":"Cisco Thomas Jr"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1977-03-26","validTo":"1978-03-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|C03905|1977-03-26|1978-03-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00734","name":"Hall Luther R & James C Rife"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1977-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|C00734|1977-05-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P04728","name":"Cisco Coal Company"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1977-07-27","validTo":"1978-03-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P04728|1977-07-27|1978-03-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03905","name":"Cisco Thomas Jr"},"object":{"type":"operator","id":"P04728","name":"Cisco Coal Company"},"validFrom":"1977-07-27","validTo":"1978-03-26","current":false,"derived":true,"evidenceMineId":"4404133","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P04728|1977-07-27|C03905|1977-03-26|64191"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00394","name":"Triangle Coal Company"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1978-03-27","validTo":"1978-09-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P00394|1978-03-27|1978-09-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00374","name":"Dotson Bobby & James Little"},"object":{"type":"operator","id":"P00394","name":"Triangle Coal Company"},"validFrom":"1978-03-27","validTo":"1978-09-19","current":false,"derived":true,"evidenceMineId":"4404133","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P00394|1978-03-27|C00374|1975-09-01|46490"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06361","name":"R & H Coal Company"},"object":{"type":"mine","id":"4404133","name":"No 2 Mine"},"validFrom":"1978-09-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P06361|1978-09-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00734","name":"Hall Luther R & James C Rife"},"object":{"type":"operator","id":"P06361","name":"R & H Coal Company"},"validFrom":"1978-09-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"4404133","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404133|P06361|1978-09-20|C00734|1977-05-01|49674"}}],"coverage":{"historyRecords":7,"edgeCount":21,"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":"1979-10-01","lastDate":"1979-10-01","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":7,"firstDate":"1975-07-29","lastDate":"1978-09-20","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":6},"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/4404133/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4404133/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":"4404133","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}