{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1517327","name":"Spradlin Branch Mine","status":"Abandoned","status_date":"2000-08-23","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Floyd","nearest_town":"Prestonsburg","operator_id":"P23722","operator_name":"Lodestar Energy Inc","controller_id":"C15585","controller_name":"Iracoal Incorporated","district":"C07","office":"Hazard KY Field Office","employees":0,"latitude":37.69,"longitude":-82.7544},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":9},"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":"1517327","name":"Spradlin Branch Mine"},"operator":{"type":"operator","id":"P23722","name":"Lodestar Energy Inc"},"controller":{"type":"controller","id":"C15585","name":"Iracoal Incorporated"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02496","name":"Costain Group PLC"},"object":{"type":"mine","id":"1517327","name":"Spradlin Branch Mine"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517327|C02496|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22188","name":"D F M Inc"},"object":{"type":"mine","id":"1517327","name":"Spradlin Branch Mine"},"validFrom":"1992-11-01","validTo":"1994-07-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517327|P22188|1992-11-01|1994-07-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14769","name":"May Frank"},"object":{"type":"mine","id":"1517327","name":"Spradlin Branch Mine"},"validFrom":"1992-11-01","validTo":"1994-07-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517327|C14769|1992-11-01|1994-07-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14769","name":"May Frank"},"object":{"type":"operator","id":"P22188","name":"D F M Inc"},"validFrom":"1992-11-01","validTo":"1994-07-10","current":false,"derived":true,"evidenceMineId":"1517327","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517327|P22188|1992-11-01|C14769|1992-11-01|93845"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21731","name":"Costain Coal Inc"},"object":{"type":"mine","id":"1517327","name":"Spradlin Branch Mine"},"validFrom":"1994-07-11","validTo":"1997-07-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517327|P21731|1994-07-11|1997-07-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02496","name":"Costain Group PLC"},"object":{"type":"operator","id":"P21731","name":"Costain Coal Inc"},"validFrom":"1994-07-11","validTo":"1997-07-20","current":false,"derived":true,"evidenceMineId":"1517327","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517327|P21731|1994-07-11|C02496|1950-01-01|58704"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15585","name":"Iracoal Incorporated"},"object":{"type":"mine","id":"1517327","name":"Spradlin Branch Mine"},"validFrom":"1997-01-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517327|C15585|1997-01-31|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23722","name":"Lodestar Energy Inc"},"object":{"type":"mine","id":"1517327","name":"Spradlin Branch Mine"},"validFrom":"1997-07-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517327|P23722|1997-07-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15585","name":"Iracoal Incorporated"},"object":{"type":"operator","id":"P23722","name":"Lodestar Energy Inc"},"validFrom":"1997-07-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517327","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517327|P23722|1997-07-21|C15585|1997-01-31|96273"}}],"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":"2000-08-23","lastDate":"2000-08-23","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":"1992-11-01","lastDate":"1997-07-21","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1,"firstDate":"2000-09-13","lastDate":"2000-09-13","metrics":{"inspectors":2,"recentRows":0,"onSiteHours":4,"inspectionHours":5.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"970849","EVENT_NO":"4165552","INSPECTION_BEGIN_DT":"09/13/2000","INSPECTION_END_DT":"09/13/2000","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2000-09-13"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000-Q3":{"hours":0,"employees":0,"production":0},"2000-Q2":{"hours":0,"employees":0,"production":0},"2000-Q1":{"hours":0,"employees":0,"production":0}},"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/1517327/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1517327/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":"1517327","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}