{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1510001","name":"No 4","status":"Abandoned and Sealed","status_date":"1985-10-01","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Pike","nearest_town":"Phelps","operator_id":"P18678","operator_name":"Zephyer Coal Company Inc","controller_id":"C12977","controller_name":"James A  Comyns","district":"C05","office":"Norton VA Field Office","employees":0,"latitude":37.5164,"longitude":-82.1667},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":10},"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":"1510001","name":"No 4"},"operator":{"type":"operator","id":"P18678","name":"Zephyer Coal Company Inc"},"controller":{"type":"controller","id":"C12977","name":"James A  Comyns"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01745","name":"James F  McCoy"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1975-01-01","validTo":"1980-10-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|C01745|1975-01-01|1980-10-08"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02059","name":"Mc Coy Alma Coal Company Inc"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1976-09-23","validTo":"1980-10-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P02059|1976-09-23|1980-10-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01745","name":"James F  McCoy"},"object":{"type":"operator","id":"P02059","name":"Mc Coy Alma Coal Company Inc"},"validFrom":"1976-09-23","validTo":"1980-10-08","current":false,"derived":true,"evidenceMineId":"1510001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P02059|1976-09-23|C01745|1975-01-01|55755"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11045","name":"Mc Coy Caney Coal Company"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1980-10-09","validTo":"1982-06-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P11045|1980-10-09|1982-06-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1980-10-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|C01883|1980-10-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"operator","id":"P11045","name":"Mc Coy Caney Coal Company"},"validFrom":"1980-10-09","validTo":"1982-06-13","current":false,"derived":true,"evidenceMineId":"1510001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P11045|1980-10-09|C01883|1980-10-09|56635"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13469","name":"Little Deuce Coal Company Inc"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1982-06-14","validTo":"1982-11-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P13469|1982-06-14|1982-11-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07910","name":"Smith Roger D"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1982-06-14","validTo":"1982-11-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|C07910|1982-06-14|1982-11-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07910","name":"Smith Roger D"},"object":{"type":"operator","id":"P13469","name":"Little Deuce Coal Company Inc"},"validFrom":"1982-06-14","validTo":"1982-11-09","current":false,"derived":true,"evidenceMineId":"1510001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P13469|1982-06-14|C07910|1982-06-14|75963"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13855","name":"Little Deuce Coal Company Inc"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1982-11-10","validTo":"1983-03-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P13855|1982-11-10|1983-03-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10102","name":"Blackburn Russel E"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1982-11-10","validTo":"1983-03-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|C10102|1982-11-10|1983-03-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10102","name":"Blackburn Russel E"},"object":{"type":"operator","id":"P13855","name":"Little Deuce Coal Company Inc"},"validFrom":"1982-11-10","validTo":"1983-03-08","current":false,"derived":true,"evidenceMineId":"1510001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P13855|1982-11-10|C10102|1982-11-10|81243"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14077","name":"Little Deuce Coal Company Inc"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1983-03-09","validTo":"1983-08-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P14077|1983-03-09|1983-08-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10256","name":"Lester Roger"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1983-03-09","validTo":"1983-08-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|C10256|1983-03-09|1983-08-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10256","name":"Lester Roger"},"object":{"type":"operator","id":"P14077","name":"Little Deuce Coal Company Inc"},"validFrom":"1983-03-09","validTo":"1983-08-10","current":false,"derived":true,"evidenceMineId":"1510001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P14077|1983-03-09|C10256|1983-03-09|81575"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14653","name":"Michelle Coal Company Inc"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1983-08-11","validTo":"1984-11-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P14653|1983-08-11|1984-11-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10611","name":"Ratliff Brenda & Neal"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1983-08-11","validTo":"1984-11-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|C10611|1983-08-11|1984-11-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10611","name":"Ratliff Brenda & Neal"},"object":{"type":"operator","id":"P14653","name":"Michelle Coal Company Inc"},"validFrom":"1983-08-11","validTo":"1984-11-08","current":false,"derived":true,"evidenceMineId":"1510001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P14653|1983-08-11|C10611|1983-08-11|82415"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11045","name":"Mc Coy Caney Coal Company"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1984-11-09","validTo":"1986-11-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P11045|1984-11-09|1986-11-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"operator","id":"P11045","name":"Mc Coy Caney Coal Company"},"validFrom":"1984-11-09","validTo":"1986-11-09","current":false,"derived":true,"evidenceMineId":"1510001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P11045|1984-11-09|C01883|1980-10-09|56636"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18678","name":"Zephyer Coal Company Inc"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1986-11-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P18678|1986-11-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12977","name":"James A  Comyns"},"object":{"type":"mine","id":"1510001","name":"No 4"},"validFrom":"1986-11-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|C12977|1986-11-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12977","name":"James A  Comyns"},"object":{"type":"operator","id":"P18678","name":"Zephyer Coal Company Inc"},"validFrom":"1986-11-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"1510001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510001|P18678|1986-11-10|C12977|1986-11-10|88289"}}],"coverage":{"historyRecords":8,"edgeCount":23,"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":"1985-10-01","lastDate":"1985-10-01","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":8,"firstDate":"1976-09-23","lastDate":"1986-11-10","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":7},"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/1510001/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1510001/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":"1510001","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}