{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4606329","name":"Tanglewood No 2","status":"Abandoned and Sealed","status_date":"2002-10-08","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Mineral","nearest_town":"Elk Garden","operator_id":"P20303","operator_name":"Tanglewood Energy Inc","controller_id":"C13480","controller_name":"Randy W  Burke","district":"C03","office":"Bridgeport WV Field Office","employees":0,"latitude":39.383889,"longitude":-79.192778},"coverage":{"contributingSources":4,"registeredSources":20,"sourceRows":6},"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":"4606329","name":"Tanglewood No 2"},"operator":{"type":"operator","id":"P20303","name":"Tanglewood Energy Inc"},"controller":{"type":"controller","id":"C13480","name":"Randy W  Burke"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08006","name":"Lanager Thomas R"},"object":{"type":"mine","id":"4606329","name":"Tanglewood No 2"},"validFrom":"1979-10-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606329|C08006|1979-10-02|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10511","name":"Chestnut Ridge Coal Corp"},"object":{"type":"mine","id":"4606329","name":"Tanglewood No 2"},"validFrom":"1981-05-01","validTo":"1990-12-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606329|P10511|1981-05-01|1990-12-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08006","name":"Lanager Thomas R"},"object":{"type":"operator","id":"P10511","name":"Chestnut Ridge Coal Corp"},"validFrom":"1981-05-01","validTo":"1990-12-02","current":false,"derived":true,"evidenceMineId":"4606329","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606329|P10511|1981-05-01|C08006|1979-10-02|76153"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13480","name":"Randy W  Burke"},"object":{"type":"mine","id":"4606329","name":"Tanglewood No 2"},"validFrom":"1989-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606329|C13480|1989-06-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21336","name":"Stone Mountain Coal Company Inc"},"object":{"type":"mine","id":"4606329","name":"Tanglewood No 2"},"validFrom":"1990-12-03","validTo":"1992-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606329|P21336|1990-12-03|1992-09-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14337","name":"Ball Roger L Sr"},"object":{"type":"mine","id":"4606329","name":"Tanglewood No 2"},"validFrom":"1990-12-03","validTo":"1992-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606329|C14337|1990-12-03|1992-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14337","name":"Ball Roger L Sr"},"object":{"type":"operator","id":"P21336","name":"Stone Mountain Coal Company Inc"},"validFrom":"1990-12-03","validTo":"1992-09-30","current":false,"derived":true,"evidenceMineId":"4606329","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606329|P21336|1990-12-03|C14337|1990-12-03|92520"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20303","name":"Tanglewood Energy Inc"},"object":{"type":"mine","id":"4606329","name":"Tanglewood No 2"},"validFrom":"1992-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606329|P20303|1992-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13480","name":"Randy W  Burke"},"object":{"type":"operator","id":"P20303","name":"Tanglewood Energy Inc"},"validFrom":"1992-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606329","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606329|P20303|1992-10-01|C13480|1989-06-01|90110"}}],"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":"2002-10-08","lastDate":"2002-10-08","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":"1981-05-01","lastDate":"1992-10-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1,"firstDate":"2001-10-29","lastDate":"2001-10-29","metrics":{"inspectors":1,"recentRows":0,"onSiteHours":1.5,"inspectionHours":10,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"214690","EVENT_NO":"4074924","INSPECTION_BEGIN_DT":"10/29/2001","INSPECTION_END_DT":"10/29/2001","ACTIVITY_CODE":"CCF","ACTIVITY":"WASTE PILE TECHNICAL INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2001-10-29"}]},{"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/4606329/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4606329/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":"4606329","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}