{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4608356","name":"Summerfield No 2","status":"Abandoned","status_date":"1995-09-07","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Mingo","nearest_town":"Gilbert","operator_id":"P22053","operator_name":"Chafin Branch Coal Company","controller_id":"C13562","controller_name":"James River Coal Company","district":"C04","office":"Beckley District","employees":0,"latitude":37.6333,"longitude":-81.83},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":5},"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":"4608356","name":"Summerfield No 2"},"operator":{"type":"operator","id":"P22053","name":"Chafin Branch Coal Company"},"controller":{"type":"controller","id":"C13562","name":"James River Coal Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13442","name":"International Industries Inc"},"object":{"type":"mine","id":"4608356","name":"Summerfield No 2"},"validFrom":"1977-07-01","validTo":"2007-07-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608356|C13442|1977-07-01|2007-07-19"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22053","name":"Chafin Branch Coal Company"},"object":{"type":"mine","id":"4608356","name":"Summerfield No 2"},"validFrom":"1993-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608356|P22053|1993-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13442","name":"International Industries Inc"},"object":{"type":"operator","id":"P22053","name":"Chafin Branch Coal Company"},"validFrom":"1993-11-01","validTo":"2007-07-19","current":false,"derived":true,"evidenceMineId":"4608356","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608356|P22053|1993-11-01|C13442|1977-07-01|89985"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0069031","name":"International Resources LLC"},"object":{"type":"mine","id":"4608356","name":"Summerfield No 2"},"validFrom":"2007-07-20","validTo":"2011-04-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608356|0069031|2007-07-20|2011-04-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0069031","name":"International Resources LLC"},"object":{"type":"operator","id":"P22053","name":"Chafin Branch Coal Company"},"validFrom":"2007-07-20","validTo":"2011-04-17","current":false,"derived":true,"evidenceMineId":"4608356","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608356|P22053|1993-11-01|0069031|2007-07-20|9772"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13562","name":"James River Coal Company"},"object":{"type":"mine","id":"4608356","name":"Summerfield No 2"},"validFrom":"2011-04-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608356|C13562|2011-04-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13562","name":"James River Coal Company"},"object":{"type":"operator","id":"P22053","name":"Chafin Branch Coal Company"},"validFrom":"2011-04-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608356","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608356|P22053|1993-11-01|C13562|2011-04-18|90475"}}],"coverage":{"historyRecords":3,"edgeCount":7,"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":"1995-09-07","lastDate":"1995-09-07","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":"1993-11-01","lastDate":"1993-11-01","metrics":{"recentRows":0,"currentOperatorTenures":3,"completedOperatorTenures":0},"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/4608356/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4608356/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":"4608356","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}