{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4609206","name":"Widen No. 1 Underground Mine","status":"Abandoned","status_date":"2023-11-06","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Nicholas","nearest_town":"Calvin","operator_id":"0141713","operator_name":"ERP Environmental Fund, Inc.","controller_id":"0121101","controller_name":"Virginia Conservation Legacy Fund (VCLF)","district":"C04","office":"Summersville WV Field Office","employees":0,"latitude":38.399444,"longitude":-80.733889},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":132},"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":"4609206","name":"Widen No. 1 Underground Mine"},"operator":{"type":"operator","id":"0141713","name":"ERP Environmental Fund, Inc."},"controller":{"type":"controller","id":"0121101","name":"Virginia Conservation Legacy Fund (VCLF)"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0050673","name":"Cambrian Mining PLC"},"object":{"type":"mine","id":"4609206","name":"Widen No. 1 Underground Mine"},"validFrom":"2005-06-10","validTo":"2011-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0050673|2005-06-10|2011-03-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0060725","name":"Atlantic Leaseco, LLC"},"object":{"type":"mine","id":"4609206","name":"Widen No. 1 Underground Mine"},"validFrom":"2007-03-06","validTo":"2016-04-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0060725|2007-03-06|2016-04-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0050673","name":"Cambrian Mining PLC"},"object":{"type":"operator","id":"0060725","name":"Atlantic Leaseco, LLC"},"validFrom":"2007-03-06","validTo":"2011-03-31","current":false,"derived":true,"evidenceMineId":"4609206","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0060725|2007-03-06|0050673|2005-06-10|6361"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00992","name":"Walter Energy Incorporated"},"object":{"type":"mine","id":"4609206","name":"Widen No. 1 Underground Mine"},"validFrom":"2011-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|C00992|2011-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00992","name":"Walter Energy Incorporated"},"object":{"type":"operator","id":"0060725","name":"Atlantic Leaseco, LLC"},"validFrom":"2011-04-01","validTo":"2016-04-10","current":false,"derived":true,"evidenceMineId":"4609206","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0060725|2007-03-06|C00992|2011-04-01|51536"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0121101","name":"Virginia Conservation Legacy Fund (VCLF)"},"object":{"type":"mine","id":"4609206","name":"Widen No. 1 Underground Mine"},"validFrom":"2015-10-28","validTo":"2017-01-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0121101|2015-10-28|2017-01-25"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0141713","name":"ERP Environmental Fund, Inc."},"object":{"type":"mine","id":"4609206","name":"Widen No. 1 Underground Mine"},"validFrom":"2016-04-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0141713|2016-04-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0121101","name":"Virginia Conservation Legacy Fund (VCLF)"},"object":{"type":"operator","id":"0141713","name":"ERP Environmental Fund, Inc."},"validFrom":"2016-04-11","validTo":"2017-01-25","current":false,"derived":true,"evidenceMineId":"4609206","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0141713|2016-04-11|0121101|2015-10-28|23596"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0143901","name":"Kissito Healthcare Inc"},"object":{"type":"mine","id":"4609206","name":"Widen No. 1 Underground Mine"},"validFrom":"2017-01-26","validTo":"2018-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0143901|2017-01-26|2018-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0143901","name":"Kissito Healthcare Inc"},"object":{"type":"operator","id":"0141713","name":"ERP Environmental Fund, Inc."},"validFrom":"2017-01-26","validTo":"2018-12-31","current":false,"derived":true,"evidenceMineId":"4609206","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0141713|2016-04-11|0143901|2017-01-26|29170"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0121101","name":"Virginia Conservation Legacy Fund (VCLF)"},"object":{"type":"mine","id":"4609206","name":"Widen No. 1 Underground Mine"},"validFrom":"2019-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0121101|2019-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0121101","name":"Virginia Conservation Legacy Fund (VCLF)"},"object":{"type":"operator","id":"0141713","name":"ERP Environmental Fund, Inc."},"validFrom":"2019-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4609206","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609206|0141713|2016-04-11|0121101|2019-01-01|23636"}}],"coverage":{"historyRecords":5,"edgeCount":12,"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":"2023-11-06","lastDate":"2023-11-06","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":"2007-03-06","lastDate":"2016-04-11","metrics":{"recentRows":0,"currentOperatorTenures":3,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":26,"firstDate":"2010-06-29","lastDate":"2023-09-27","metrics":{"inspectors":31,"recentRows":8,"onSiteHours":31.25,"inspectionHours":86.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"401652","EVENT_NO":"6321528","INSPECTION_BEGIN_DT":"09/27/2023","INSPECTION_END_DT":"09/27/2023","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2023-09-27"},{"SOURCE_ROW_NUMBER":"474942","EVENT_NO":"6315779","INSPECTION_BEGIN_DT":"11/16/2022","INSPECTION_END_DT":"11/16/2022","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".5","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2022-11-16"},{"SOURCE_ROW_NUMBER":"1129486","EVENT_NO":"6320004","INSPECTION_BEGIN_DT":"06/29/2022","INSPECTION_END_DT":"06/29/2022","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2022-06-29"},{"SOURCE_ROW_NUMBER":"939787","EVENT_NO":"6318836","INSPECTION_BEGIN_DT":"05/12/2022","INSPECTION_END_DT":"05/12/2022","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.25","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2022-05-12"},{"SOURCE_ROW_NUMBER":"926003","EVENT_NO":"6319003","INSPECTION_BEGIN_DT":"12/27/2021","INSPECTION_END_DT":"12/27/2021","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2021-12-27"},{"SOURCE_ROW_NUMBER":"900429","EVENT_NO":"6317148","INSPECTION_BEGIN_DT":"06/25/2021","INSPECTION_END_DT":"06/25/2021","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2021-06-25"},{"SOURCE_ROW_NUMBER":"604570","EVENT_NO":"6316997","INSPECTION_BEGIN_DT":"06/09/2021","INSPECTION_END_DT":"06/09/2021","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.25","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2021-06-09"},{"SOURCE_ROW_NUMBER":"943189","EVENT_NO":"6317662","INSPECTION_BEGIN_DT":"02/09/2021","INSPECTION_END_DT":"02/09/2021","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2021-02-09"},{"SOURCE_ROW_NUMBER":"989856","EVENT_NO":"6314947","INSPECTION_BEGIN_DT":"06/25/2020","INSPECTION_END_DT":"06/25/2020","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.25","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2020-06-25"},{"SOURCE_ROW_NUMBER":"840614","EVENT_NO":"6317110","INSPECTION_BEGIN_DT":"06/23/2020","INSPECTION_END_DT":"06/23/2020","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2020-06-23"},{"SOURCE_ROW_NUMBER":"1041017","EVENT_NO":"6314887","INSPECTION_BEGIN_DT":"12/27/2019","INSPECTION_END_DT":"12/27/2019","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2019-12-27"},{"SOURCE_ROW_NUMBER":"930790","EVENT_NO":"6315904","INSPECTION_BEGIN_DT":"06/03/2019","INSPECTION_END_DT":"06/03/2019","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2019-06-03"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":99,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2015-Q4":{"hours":0,"employees":0,"production":0},"2015-Q3":{"hours":0,"employees":0,"production":0},"2015-Q2":{"hours":0,"employees":0,"production":0},"2015-Q1":{"hours":0,"employees":0,"production":0},"2014-Q4":{"hours":0,"employees":0,"production":0},"2014-Q3":{"hours":0,"employees":0,"production":0},"2014-Q2":{"hours":0,"employees":0,"production":0},"2014-Q1":{"hours":0,"employees":0,"production":0},"2013-Q4":{"hours":0,"employees":0,"production":0},"2013-Q3":{"hours":0,"employees":0,"production":0},"2013-Q2":{"hours":0,"employees":0,"production":0},"2013-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/4609206/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4609206/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":"4609206","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}