{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4605075","name":"No 1 Mine","status":"Abandoned and Sealed","status_date":"1992-07-30","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Wyoming","nearest_town":"Wolf Pen","operator_id":"P21793","operator_name":"L & C Coal Company Inc","controller_id":"C06519","controller_name":"Click Cecil & Larry M Leffew","district":"C04","office":"Beckley District","employees":0,"latitude":37.5525,"longitude":-81.5769},"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":"4605075","name":"No 1 Mine"},"operator":{"type":"operator","id":"P21793","name":"L & C Coal Company Inc"},"controller":{"type":"controller","id":"C06519","name":"Click Cecil & Larry M Leffew"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01612","name":"Mc Kinney Charles W"},"object":{"type":"mine","id":"4605075","name":"No 1 Mine"},"validFrom":"1975-08-01","validTo":"1981-06-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605075|C01612|1975-08-01|1981-06-15"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01914","name":"J L S Coal Corp"},"object":{"type":"mine","id":"4605075","name":"No 1 Mine"},"validFrom":"1976-03-17","validTo":"1978-10-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605075|P01914|1976-03-17|1978-10-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01612","name":"Mc Kinney Charles W"},"object":{"type":"operator","id":"P01914","name":"J L S Coal Corp"},"validFrom":"1976-03-17","validTo":"1978-10-29","current":false,"derived":true,"evidenceMineId":"4605075","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605075|P01914|1976-03-17|C01612|1975-08-01|55234"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09115","name":"Graybeals Indian Creek Coal Company Inc"},"object":{"type":"mine","id":"4605075","name":"No 1 Mine"},"validFrom":"1978-10-30","validTo":"1991-11-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605075|P09115|1978-10-30|1991-11-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01660","name":"Graybeal Carl N Et Al"},"object":{"type":"mine","id":"4605075","name":"No 1 Mine"},"validFrom":"1978-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605075|C01660|1978-10-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01660","name":"Graybeal Carl N Et Al"},"object":{"type":"operator","id":"P09115","name":"Graybeals Indian Creek Coal Company Inc"},"validFrom":"1978-10-30","validTo":"1991-11-11","current":false,"derived":true,"evidenceMineId":"4605075","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605075|P09115|1978-10-30|C01660|1978-10-30|55514"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21793","name":"L & C Coal Company Inc"},"object":{"type":"mine","id":"4605075","name":"No 1 Mine"},"validFrom":"1991-11-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605075|P21793|1991-11-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06519","name":"Click Cecil & Larry M Leffew"},"object":{"type":"mine","id":"4605075","name":"No 1 Mine"},"validFrom":"1991-11-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605075|C06519|1991-11-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06519","name":"Click Cecil & Larry M Leffew"},"object":{"type":"operator","id":"P21793","name":"L & C Coal Company Inc"},"validFrom":"1991-11-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"4605075","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605075|P21793|1991-11-12|C06519|1991-11-12|72044"}}],"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":"1992-07-30","lastDate":"1992-07-30","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":"1976-03-17","lastDate":"1991-11-12","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"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/4605075/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4605075/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":"4605075","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}