{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1516750","name":"Mine No 2","status":"Abandoned and Sealed","status_date":"1994-10-19","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Pike","nearest_town":"Kimper","operator_id":"P22279","operator_name":"Black Diamond Coal Corp","controller_id":"C08507","controller_name":"Joby  Fields","district":"C05","office":"Norton VA Field Office","employees":0,"latitude":37.4944,"longitude":-82.2314},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":5},"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":"1516750","name":"Mine No 2"},"operator":{"type":"operator","id":"P22279","name":"Black Diamond Coal Corp"},"controller":{"type":"controller","id":"C08507","name":"Joby  Fields"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20573","name":"Burning Ridge Coal Company Inc"},"object":{"type":"mine","id":"1516750","name":"Mine No 2"},"validFrom":"1989-10-01","validTo":"1993-03-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516750|P20573|1989-10-01|1993-03-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10457","name":"John F  Stapleton"},"object":{"type":"mine","id":"1516750","name":"Mine No 2"},"validFrom":"1989-10-01","validTo":"1993-03-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516750|C10457|1989-10-01|1993-03-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10457","name":"John F  Stapleton"},"object":{"type":"operator","id":"P20573","name":"Burning Ridge Coal Company Inc"},"validFrom":"1989-10-01","validTo":"1993-03-25","current":false,"derived":true,"evidenceMineId":"1516750","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516750|P20573|1989-10-01|C10457|1989-10-01|82041"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08507","name":"Joby  Fields"},"object":{"type":"mine","id":"1516750","name":"Mine No 2"},"validFrom":"1993-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516750|C08507|1993-02-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21934","name":"New Ridge Mining Company"},"object":{"type":"mine","id":"1516750","name":"Mine No 2"},"validFrom":"1993-03-26","validTo":"1993-05-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516750|P21934|1993-03-26|1993-05-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"1516750","name":"Mine No 2"},"validFrom":"1993-03-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516750|C02508|1993-03-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P21934","name":"New Ridge Mining Company"},"validFrom":"1993-03-26","validTo":"1993-05-03","current":false,"derived":true,"evidenceMineId":"1516750","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516750|P21934|1993-03-26|C02508|1993-03-26|59336"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22279","name":"Black Diamond Coal Corp"},"object":{"type":"mine","id":"1516750","name":"Mine No 2"},"validFrom":"1993-05-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516750|P22279|1993-05-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08507","name":"Joby  Fields"},"object":{"type":"operator","id":"P22279","name":"Black Diamond Coal Corp"},"validFrom":"1993-05-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"1516750","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516750|P22279|1993-05-04|C08507|1993-02-01|77483"}}],"coverage":{"historyRecords":3,"edgeCount":9,"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":"1994-10-19","lastDate":"1994-10-19","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":3,"firstDate":"1989-10-01","lastDate":"1993-05-04","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"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/1516750/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1516750/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":"1516750","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}