{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4608806","name":"Onyx","status":"Abandoned","status_date":"2025-03-25","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Mingo","nearest_town":"Cinderella","operator_id":"0154153","operator_name":"Lexington Coal Company, LLC","controller_id":"0137221","controller_name":"Lexington Coal Holdings, Inc","district":"C04","office":"Beckley District","employees":0,"latitude":37.673056,"longitude":-82.2425},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":43},"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":"4608806","name":"Onyx"},"operator":{"type":"operator","id":"0154153","name":"Lexington Coal Company, LLC"},"controller":{"type":"controller","id":"0137221","name":"Lexington Coal Holdings, Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"4608806","name":"Onyx"},"validFrom":"1996-02-05","validTo":"2011-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|C02508|1996-02-05|2011-05-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23835","name":"Spartan Mining Company, LLC"},"object":{"type":"mine","id":"4608806","name":"Onyx"},"validFrom":"1999-11-01","validTo":"2017-10-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|P23835|1999-11-01|2017-10-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P23835","name":"Spartan Mining Company, LLC"},"validFrom":"1999-11-01","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"4608806","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|P23835|1999-11-01|C02508|1996-02-05|59422"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4608806","name":"Onyx"},"validFrom":"2011-06-01","validTo":"2016-07-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|0041211|2011-06-01|2016-07-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P23835","name":"Spartan Mining Company, LLC"},"validFrom":"2011-06-01","validTo":"2016-07-25","current":false,"derived":true,"evidenceMineId":"4608806","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|P23835|1999-11-01|0041211|2011-06-01|2144"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"4608806","name":"Onyx"},"validFrom":"2016-07-26","validTo":"2018-11-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|0127923|2016-07-26|2018-11-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"P23835","name":"Spartan Mining Company, LLC"},"validFrom":"2016-07-26","validTo":"2017-10-22","current":false,"derived":true,"evidenceMineId":"4608806","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|P23835|1999-11-01|0127923|2016-07-26|25240"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0154153","name":"Lexington Coal Company, LLC"},"object":{"type":"mine","id":"4608806","name":"Onyx"},"validFrom":"2017-10-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|0154153|2017-10-23|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0137221","name":"Lexington Coal Holdings, Inc"},"object":{"type":"mine","id":"4608806","name":"Onyx"},"validFrom":"2017-10-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|0137221|2017-10-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0137221","name":"Lexington Coal Holdings, Inc"},"object":{"type":"operator","id":"0154153","name":"Lexington Coal Company, LLC"},"validFrom":"2017-10-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608806","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|0154153|2017-10-23|0137221|2017-10-23|27700"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"mine","id":"4608806","name":"Onyx"},"validFrom":"2018-11-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|0127321|2018-11-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"operator","id":"P23835","name":"Spartan Mining Company, LLC"},"validFrom":"2018-11-09","validTo":"2017-10-22","current":false,"derived":true,"evidenceMineId":"4608806","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608806|P23835|1999-11-01|0127321|2018-11-09|24875"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":1,"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":"2025-03-25","lastDate":"2025-03-25","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":"1999-11-01","lastDate":"2017-10-23","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":4},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1,"firstDate":"2025-03-24","lastDate":"2025-03-24","metrics":{"inspectors":1,"recentRows":1,"onSiteHours":0.5,"inspectionHours":2,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1005922","EVENT_NO":"F009DFB","INSPECTION_BEGIN_DT":"03/24/2025","INSPECTION_END_DT":"03/24/2025","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2025-03-24"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":35,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011-Q1":{"hours":0,"employees":0,"production":0},"2010-Q4":{"hours":0,"employees":0,"production":0},"2010-Q3":{"hours":0,"employees":0,"production":0},"2010-Q2":{"hours":0,"employees":0,"production":0},"2009-Q4":{"hours":0,"employees":0,"production":0},"2009-Q3":{"hours":0,"employees":0,"production":0},"2009-Q2":{"hours":0,"employees":0,"production":0},"2009-Q1":{"hours":0,"employees":0,"production":0},"2008-Q4":{"hours":0,"employees":0,"production":0},"2008-Q3":{"hours":0,"employees":0,"production":0},"2008-Q2":{"hours":0,"employees":0,"production":0},"2008-Q1":{"hours":0,"employees":0,"production":0}},"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/4608806/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4608806/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":"4608806","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}