{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1511291","name":"No 1 Mine","status":"Abandoned and Sealed","status_date":"1982-12-16","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Harlan","nearest_town":"Evarts","operator_id":"P11077","operator_name":"Hensley Brothers Mining Inc","controller_id":"C07551","controller_name":"Bobby Joe  Hensley","district":"C07","office":"Harlan KY Field Office","employees":0,"latitude":36.8714,"longitude":-83.1961},"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":"1511291","name":"No 1 Mine"},"operator":{"type":"operator","id":"P11077","name":"Hensley Brothers Mining Inc"},"controller":{"type":"controller","id":"C07551","name":"Bobby Joe  Hensley"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08469","name":"Garfield Coal Company Inc"},"object":{"type":"mine","id":"1511291","name":"No 1 Mine"},"validFrom":"1978-05-01","validTo":"1979-05-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511291|P08469|1978-05-01|1979-05-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04707","name":"Mc Lain Garfield"},"object":{"type":"mine","id":"1511291","name":"No 1 Mine"},"validFrom":"1978-05-01","validTo":"1979-05-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511291|C04707|1978-05-01|1979-05-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04707","name":"Mc Lain Garfield"},"object":{"type":"operator","id":"P08469","name":"Garfield Coal Company Inc"},"validFrom":"1978-05-01","validTo":"1979-05-28","current":false,"derived":true,"evidenceMineId":"1511291","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511291|P08469|1978-05-01|C04707|1978-05-01|66515"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09476","name":"Beech Branch Coal Company"},"object":{"type":"mine","id":"1511291","name":"No 1 Mine"},"validFrom":"1979-05-29","validTo":"1980-11-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511291|P09476|1979-05-29|1980-11-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02885","name":"Tex  Eldridge et al"},"object":{"type":"mine","id":"1511291","name":"No 1 Mine"},"validFrom":"1979-05-29","validTo":"1980-11-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511291|C02885|1979-05-29|1980-11-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02885","name":"Tex  Eldridge et al"},"object":{"type":"operator","id":"P09476","name":"Beech Branch Coal Company"},"validFrom":"1979-05-29","validTo":"1980-11-20","current":false,"derived":true,"evidenceMineId":"1511291","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511291|P09476|1979-05-29|C02885|1979-05-29|61105"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11077","name":"Hensley Brothers Mining Inc"},"object":{"type":"mine","id":"1511291","name":"No 1 Mine"},"validFrom":"1980-11-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511291|P11077|1980-11-21|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07551","name":"Bobby Joe  Hensley"},"object":{"type":"mine","id":"1511291","name":"No 1 Mine"},"validFrom":"1980-11-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511291|C07551|1980-11-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07551","name":"Bobby Joe  Hensley"},"object":{"type":"operator","id":"P11077","name":"Hensley Brothers Mining Inc"},"validFrom":"1980-11-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"1511291","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1511291|P11077|1980-11-21|C07551|1980-11-21|75011"}}],"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":"1982-12-16","lastDate":"1982-12-16","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":"1978-05-01","lastDate":"1980-11-21","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/1511291/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1511291/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":"1511291","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}