{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1510475","name":"No 1 Mine","status":"Abandoned and Sealed","status_date":"1986-05-27","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Harlan","nearest_town":"Nolansburg","operator_id":"P16744","operator_name":"Black Joe Coal Company Inc","controller_id":"C10127","controller_name":"Poteet J W","district":"C07","office":"Harlan KY Field Office","employees":0,"latitude":36.9086,"longitude":-83.1742},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":7},"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":"1510475","name":"No 1 Mine"},"operator":{"type":"operator","id":"P16744","name":"Black Joe Coal Company Inc"},"controller":{"type":"controller","id":"C10127","name":"Poteet J W"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07116","name":"Nolansburg Energy Ltd"},"object":{"type":"mine","id":"1510475","name":"No 1 Mine"},"validFrom":"1977-06-01","validTo":"1977-08-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|P07116|1977-06-01|1977-08-17"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01973","name":"Sergent Ben"},"object":{"type":"mine","id":"1510475","name":"No 1 Mine"},"validFrom":"1977-06-01","validTo":"1977-08-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|C01973|1977-06-01|1977-08-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01973","name":"Sergent Ben"},"object":{"type":"operator","id":"P07116","name":"Nolansburg Energy Ltd"},"validFrom":"1977-06-01","validTo":"1977-08-17","current":false,"derived":true,"evidenceMineId":"1510475","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|P07116|1977-06-01|C01973|1977-06-01|56969"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07117","name":"Dowell Mining Company Inc"},"object":{"type":"mine","id":"1510475","name":"No 1 Mine"},"validFrom":"1977-08-18","validTo":"1984-09-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|P07117|1977-08-18|1984-09-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05898","name":"Dowell Harold"},"object":{"type":"mine","id":"1510475","name":"No 1 Mine"},"validFrom":"1977-08-18","validTo":"1984-09-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|C05898|1977-08-18|1984-09-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05898","name":"Dowell Harold"},"object":{"type":"operator","id":"P07117","name":"Dowell Mining Company Inc"},"validFrom":"1977-08-18","validTo":"1984-09-23","current":false,"derived":true,"evidenceMineId":"1510475","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|P07117|1977-08-18|C05898|1977-08-18|70201"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00999","name":"Saylor Delbert & Darlene Roberts"},"object":{"type":"mine","id":"1510475","name":"No 1 Mine"},"validFrom":"1982-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|C00999|1982-02-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13162","name":"Dan Del Coals Inc"},"object":{"type":"mine","id":"1510475","name":"No 1 Mine"},"validFrom":"1984-09-24","validTo":"1985-05-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|P13162|1984-09-24|1985-05-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00999","name":"Saylor Delbert & Darlene Roberts"},"object":{"type":"operator","id":"P13162","name":"Dan Del Coals Inc"},"validFrom":"1984-09-24","validTo":"1985-05-09","current":false,"derived":true,"evidenceMineId":"1510475","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|P13162|1984-09-24|C00999|1982-02-01|51573"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03616","name":"Lemar Reece"},"object":{"type":"mine","id":"1510475","name":"No 1 Mine"},"validFrom":"1985-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|C03616|1985-05-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10127","name":"Poteet J W"},"object":{"type":"mine","id":"1510475","name":"No 1 Mine"},"validFrom":"1985-05-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|C10127|1985-05-02|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16834","name":"Shauna-Darease Coal Inc"},"object":{"type":"mine","id":"1510475","name":"No 1 Mine"},"validFrom":"1985-05-10","validTo":"1986-04-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|P16834|1985-05-10|1986-04-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03616","name":"Lemar Reece"},"object":{"type":"operator","id":"P16834","name":"Shauna-Darease Coal Inc"},"validFrom":"1985-05-10","validTo":"1986-04-20","current":false,"derived":true,"evidenceMineId":"1510475","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|P16834|1985-05-10|C03616|1985-05-01|63362"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16744","name":"Black Joe Coal Company Inc"},"object":{"type":"mine","id":"1510475","name":"No 1 Mine"},"validFrom":"1986-04-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|P16744|1986-04-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10127","name":"Poteet J W"},"object":{"type":"operator","id":"P16744","name":"Black Joe Coal Company Inc"},"validFrom":"1986-04-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"1510475","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510475|P16744|1986-04-21|C10127|1985-05-02|81281"}}],"coverage":{"historyRecords":5,"edgeCount":15,"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":"1986-05-27","lastDate":"1986-05-27","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":5,"firstDate":"1977-06-01","lastDate":"1986-04-21","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":4},"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/1510475/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1510475/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":"1510475","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}