{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4609360","name":"Lotts Fork Mine","status":"Abandoned","status_date":"2015-03-18","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Boone","nearest_town":"Prenter","operator_id":"P24179","operator_name":"Pine Ridge Coal Company LLC","controller_id":"0071611","controller_name":"Patriot Coal Corporation","district":"C04","office":"Madison WV Field Office","employees":0,"latitude":38.0075,"longitude":-81.645278},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":19},"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":"4609360","name":"Lotts Fork Mine"},"operator":{"type":"operator","id":"P24179","name":"Pine Ridge Coal Company LLC"},"controller":{"type":"controller","id":"0071611","name":"Patriot Coal Corporation"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15833","name":"Peabody Energy Corporation"},"object":{"type":"mine","id":"4609360","name":"Lotts Fork Mine"},"validFrom":"1998-05-19","validTo":"2007-10-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609360|C15833|1998-05-19|2007-10-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0071611","name":"Patriot Coal Corporation"},"object":{"type":"mine","id":"4609360","name":"Lotts Fork Mine"},"validFrom":"2007-10-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609360|0071611|2007-10-31|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24179","name":"Pine Ridge Coal Company LLC"},"object":{"type":"mine","id":"4609360","name":"Lotts Fork Mine"},"validFrom":"2010-04-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609360|P24179|2010-04-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0071611","name":"Patriot Coal Corporation"},"object":{"type":"operator","id":"P24179","name":"Pine Ridge Coal Company LLC"},"validFrom":"2010-04-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"4609360","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609360|P24179|2010-04-03|0071611|2007-10-31|10326"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15833","name":"Peabody Energy Corporation"},"object":{"type":"operator","id":"P24179","name":"Pine Ridge Coal Company LLC"},"validFrom":"2010-04-03","validTo":"2007-10-30","current":false,"derived":true,"evidenceMineId":"4609360","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609360|P24179|2010-04-03|C15833|1998-05-19|96970"}}],"coverage":{"historyRecords":2,"edgeCount":5,"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":"2015-03-18","lastDate":"2015-03-18","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":2,"firstDate":"2010-04-03","lastDate":"2010-04-03","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":12,"firstDate":"2014-07-01","lastDate":"2020-04-02","metrics":{"inspectors":13,"recentRows":0,"onSiteHours":13.75,"inspectionHours":50.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1084937","EVENT_NO":"6314388","INSPECTION_BEGIN_DT":"04/02/2020","INSPECTION_END_DT":"04/02/2020","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2020-04-02"},{"SOURCE_ROW_NUMBER":"934266","EVENT_NO":"6313484","INSPECTION_BEGIN_DT":"12/06/2019","INSPECTION_END_DT":"12/06/2019","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2019-12-06"},{"SOURCE_ROW_NUMBER":"862580","EVENT_NO":"6313140","INSPECTION_BEGIN_DT":"07/27/2019","INSPECTION_END_DT":"07/27/2019","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.25","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2019-07-27"},{"SOURCE_ROW_NUMBER":"326645","EVENT_NO":"6313136","INSPECTION_BEGIN_DT":"03/29/2019","INSPECTION_END_DT":"03/29/2019","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2019-03-29"},{"SOURCE_ROW_NUMBER":"506894","EVENT_NO":"6313460","INSPECTION_BEGIN_DT":"09/25/2018","INSPECTION_END_DT":"09/25/2018","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2018-09-25"},{"SOURCE_ROW_NUMBER":"611661","EVENT_NO":"6313117","INSPECTION_BEGIN_DT":"06/30/2017","INSPECTION_END_DT":"06/30/2017","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.25","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2017-06-30"},{"SOURCE_ROW_NUMBER":"1007126","EVENT_NO":"6311141","INSPECTION_BEGIN_DT":"10/19/2016","INSPECTION_END_DT":"10/20/2016","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2016-10-19"},{"SOURCE_ROW_NUMBER":"8631","EVENT_NO":"6311133","INSPECTION_BEGIN_DT":"04/14/2016","INSPECTION_END_DT":"04/14/2016","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2016-04-14"},{"SOURCE_ROW_NUMBER":"134279","EVENT_NO":"6308686","INSPECTION_BEGIN_DT":"11/19/2015","INSPECTION_END_DT":"11/19/2015","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2015-11-19"},{"SOURCE_ROW_NUMBER":"144778","EVENT_NO":"6308673","INSPECTION_BEGIN_DT":"06/18/2015","INSPECTION_END_DT":"06/18/2015","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2015-06-18"},{"SOURCE_ROW_NUMBER":"376214","EVENT_NO":"6303147","INSPECTION_BEGIN_DT":"01/22/2015","INSPECTION_END_DT":"01/22/2015","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2015-01-22"},{"SOURCE_ROW_NUMBER":"91438","EVENT_NO":"6303143","INSPECTION_BEGIN_DT":"07/01/2014","INSPECTION_END_DT":"07/01/2014","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2014-07-01"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2012-Q3":{"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/4609360/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4609360/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":"4609360","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}