{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"1515880","name":"C Y Smith #8","status":"Abandoned and Sealed","status_date":"1988-01-15","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Knox","nearest_town":"Woodbine","operator_id":"P18079","operator_name":"C Y Smith Inc","controller_id":"C12231","controller_name":"Smith C Y","district":"C07","office":"Barbourville KY Field Office","employees":0,"latitude":36.8775,"longitude":-84.0578},"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":"2026-10-17T05:35:58.500035+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":"1515880","name":"C Y Smith #8"},"operator":{"type":"operator","id":"P18079","name":"C Y Smith Inc"},"controller":{"type":"controller","id":"C12231","name":"Smith C Y"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12284","name":"Nilson M Darrell & Joseph Newey"},"object":{"type":"mine","id":"1515880","name":"C Y Smith #8"},"validFrom":"1985-10-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1515880|C12284|1985-10-21|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12231","name":"Smith C Y"},"object":{"type":"mine","id":"1515880","name":"C Y Smith #8"},"validFrom":"1986-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1515880|C12231|1986-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17481","name":"Cumberland Processing Corp"},"object":{"type":"mine","id":"1515880","name":"C Y Smith #8"},"validFrom":"1986-12-01","validTo":"1987-08-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1515880|P17481|1986-12-01|1987-08-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12284","name":"Nilson M Darrell & Joseph Newey"},"object":{"type":"operator","id":"P17481","name":"Cumberland Processing Corp"},"validFrom":"1986-12-01","validTo":"1987-08-04","current":false,"derived":true,"evidenceMineId":"1515880","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1515880|P17481|1986-12-01|C12284|1985-10-21|86561"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19070","name":"Rayscott Mining"},"object":{"type":"mine","id":"1515880","name":"C Y Smith #8"},"validFrom":"1987-08-05","validTo":"1987-10-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1515880|P19070|1987-08-05|1987-10-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10620","name":"Phipps Ray Scott Et Al"},"object":{"type":"mine","id":"1515880","name":"C Y Smith #8"},"validFrom":"1987-08-05","validTo":"1987-10-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1515880|C10620|1987-08-05|1987-10-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10620","name":"Phipps Ray Scott Et Al"},"object":{"type":"operator","id":"P19070","name":"Rayscott Mining"},"validFrom":"1987-08-05","validTo":"1987-10-19","current":false,"derived":true,"evidenceMineId":"1515880","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1515880|P19070|1987-08-05|C10620|1987-08-05|82456"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18079","name":"C Y Smith Inc"},"object":{"type":"mine","id":"1515880","name":"C Y Smith #8"},"validFrom":"1987-10-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1515880|P18079|1987-10-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12231","name":"Smith C Y"},"object":{"type":"operator","id":"P18079","name":"C Y Smith Inc"},"validFrom":"1987-10-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"1515880","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1515880|P18079|1987-10-20|C12231|1986-01-01|86460"}}],"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":"1988-01-15","lastDate":"1988-01-15","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":"1986-12-01","lastDate":"1987-10-20","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/1515880/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1515880/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":"1515880","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}