{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1509926","name":"No 1 Surface","status":"Abandoned","status_date":"1987-05-27","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Floyd","nearest_town":"Manton","operator_id":"P19325","operator_name":"Brashae Coal Company","controller_id":"C13294","controller_name":"Epling Don","district":"C07","office":"Hazard KY Field Office","employees":0,"latitude":37.5728,"longitude":-82.8069},"coverage":{"contributingSources":3,"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":"1509926","name":"No 1 Surface"},"operator":{"type":"operator","id":"P19325","name":"Brashae Coal Company"},"controller":{"type":"controller","id":"C13294","name":"Epling Don"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04064","name":"Ratliff Blake"},"object":{"type":"mine","id":"1509926","name":"No 1 Surface"},"validFrom":"1975-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|C04064|1975-04-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P04921","name":"Mountaineer Resources Inc"},"object":{"type":"mine","id":"1509926","name":"No 1 Surface"},"validFrom":"1976-08-01","validTo":"1978-06-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|P04921|1976-08-01|1978-06-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04064","name":"Ratliff Blake"},"object":{"type":"operator","id":"P04921","name":"Mountaineer Resources Inc"},"validFrom":"1976-08-01","validTo":"1978-06-01","current":false,"derived":true,"evidenceMineId":"1509926","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|P04921|1976-08-01|C04064|1975-04-01|64679"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10268","name":"Mountaineer Resources Inc"},"object":{"type":"mine","id":"1509926","name":"No 1 Surface"},"validFrom":"1978-06-02","validTo":"1983-09-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|P10268|1978-06-02|1983-09-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07849","name":"Beaird J F"},"object":{"type":"mine","id":"1509926","name":"No 1 Surface"},"validFrom":"1978-06-02","validTo":"1983-09-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|C07849|1978-06-02|1983-09-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07849","name":"Beaird J F"},"object":{"type":"operator","id":"P10268","name":"Mountaineer Resources Inc"},"validFrom":"1978-06-02","validTo":"1983-09-26","current":false,"derived":true,"evidenceMineId":"1509926","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|P10268|1978-06-02|C07849|1978-06-02|75850"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15571","name":"Grateside Coals Inc"},"object":{"type":"mine","id":"1509926","name":"No 1 Surface"},"validFrom":"1983-09-27","validTo":"1987-12-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|P15571|1983-09-27|1987-12-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00810","name":"Johnson Ralph"},"object":{"type":"mine","id":"1509926","name":"No 1 Surface"},"validFrom":"1983-09-27","validTo":"1987-12-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|C00810|1983-09-27|1987-12-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00810","name":"Johnson Ralph"},"object":{"type":"operator","id":"P15571","name":"Grateside Coals Inc"},"validFrom":"1983-09-27","validTo":"1987-12-23","current":false,"derived":true,"evidenceMineId":"1509926","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|P15571|1983-09-27|C00810|1983-09-27|50197"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19325","name":"Brashae Coal Company"},"object":{"type":"mine","id":"1509926","name":"No 1 Surface"},"validFrom":"1987-12-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|P19325|1987-12-24|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13294","name":"Epling Don"},"object":{"type":"mine","id":"1509926","name":"No 1 Surface"},"validFrom":"1987-12-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|C13294|1987-12-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13294","name":"Epling Don"},"object":{"type":"operator","id":"P19325","name":"Brashae Coal Company"},"validFrom":"1987-12-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"1509926","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509926|P19325|1987-12-24|C13294|1987-12-24|89172"}}],"coverage":{"historyRecords":4,"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":"1987-05-27","lastDate":"1987-05-27","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":4,"firstDate":"1976-08-01","lastDate":"1987-12-24","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":3},"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/1509926/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1509926/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":"1509926","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}