{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1516166","name":"No 4 Mine","status":"Abandoned and Sealed","status_date":"2000-01-04","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Harlan","nearest_town":"Cawood","operator_id":"P23755","operator_name":"Beggar Coal Company","controller_id":"C15600","controller_name":"John  Helton","district":"C07","office":"Harlan KY Field Office","employees":0,"latitude":36.7731,"longitude":-83.2078},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":8},"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":"1516166","name":"No 4 Mine"},"operator":{"type":"operator","id":"P23755","name":"Beggar Coal Company"},"controller":{"type":"controller","id":"C15600","name":"John  Helton"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18959","name":"Bic Coal Company Inc"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1987-09-01","validTo":"1996-08-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P18959|1987-09-01|1996-08-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15501","name":"Middleton Mary Lynn Et Al"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1987-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|C15501|1987-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15501","name":"Middleton Mary Lynn Et Al"},"object":{"type":"operator","id":"P18959","name":"Bic Coal Company Inc"},"validFrom":"1987-09-01","validTo":"1996-08-19","current":false,"derived":true,"evidenceMineId":"1516166","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P18959|1987-09-01|C15501|1987-09-01|95782"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23644","name":"Vanco Coal Company Inc"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1996-08-20","validTo":"1997-08-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P23644|1996-08-20|1997-08-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15490","name":"Johnson Tim"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1996-08-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|C15490|1996-08-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15490","name":"Johnson Tim"},"object":{"type":"operator","id":"P23644","name":"Vanco Coal Company Inc"},"validFrom":"1996-08-20","validTo":"1997-08-18","current":false,"derived":true,"evidenceMineId":"1516166","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P23644|1996-08-20|C15490|1996-08-20|95763"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15600","name":"John  Helton"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1997-04-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|C15600|1997-04-21|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23792","name":"J & J Mining Inc"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1997-08-19","validTo":"1997-08-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P23792|1997-08-19|1997-08-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15621","name":"Johnson Dennis"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1997-08-19","validTo":"1997-08-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|C15621|1997-08-19|1997-08-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15621","name":"Johnson Dennis"},"object":{"type":"operator","id":"P23792","name":"J & J Mining Inc"},"validFrom":"1997-08-19","validTo":"1997-08-28","current":false,"derived":true,"evidenceMineId":"1516166","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P23792|1997-08-19|C15621|1997-08-19|96361"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23793","name":"J & J Mining Inc"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1997-08-29","validTo":"1998-02-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P23793|1997-08-29|1998-02-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15622","name":"Noe Joe"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1997-08-29","validTo":"1998-02-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|C15622|1997-08-29|1998-02-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15622","name":"Noe Joe"},"object":{"type":"operator","id":"P23793","name":"J & J Mining Inc"},"validFrom":"1997-08-29","validTo":"1998-02-16","current":false,"derived":true,"evidenceMineId":"1516166","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P23793|1997-08-29|C15622|1997-08-29|96362"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23878","name":"Mac Coal Company"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1998-02-17","validTo":"1999-03-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P23878|1998-02-17|1999-03-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15667","name":"Mc Millian Robert"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1998-02-17","validTo":"1999-03-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|C15667|1998-02-17|1999-03-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15667","name":"Mc Millian Robert"},"object":{"type":"operator","id":"P23878","name":"Mac Coal Company"},"validFrom":"1998-02-17","validTo":"1999-03-29","current":false,"derived":true,"evidenceMineId":"1516166","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P23878|1998-02-17|C15667|1998-02-17|96461"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23755","name":"Beggar Coal Company"},"object":{"type":"mine","id":"1516166","name":"No 4 Mine"},"validFrom":"1999-03-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P23755|1999-03-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15600","name":"John  Helton"},"object":{"type":"operator","id":"P23755","name":"Beggar Coal Company"},"validFrom":"1999-03-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"1516166","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1516166|P23755|1999-03-30|C15600|1997-04-21|96319"}}],"coverage":{"historyRecords":6,"edgeCount":18,"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":"2000-01-04","lastDate":"2000-01-04","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":6,"firstDate":"1987-09-01","lastDate":"1999-03-30","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":5},"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/1516166/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1516166/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":"1516166","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}