{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"1512917","name":"No 11","status":"Abandoned and Sealed","status_date":"1992-11-20","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Harlan","nearest_town":"Bledsoe","operator_id":"P10900","operator_name":"Shamrock Coal Company Inc","controller_id":"C01767","controller_name":"Sunoco, Inc.","district":"C07","office":"Harlan KY Field Office","employees":0,"latitude":36.9583,"longitude":-83.225},"coverage":{"contributingSources":4,"registeredSources":20,"sourceRows":4},"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":"1512917","name":"No 11"},"operator":{"type":"operator","id":"P10900","name":"Shamrock Coal Company Inc"},"controller":{"type":"controller","id":"C01767","name":"Sunoco, Inc."},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01767","name":"Sunoco, Inc."},"object":{"type":"mine","id":"1512917","name":"No 11"},"validFrom":"1979-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512917|C01767|1979-11-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10900","name":"Shamrock Coal Company Inc"},"object":{"type":"mine","id":"1512917","name":"No 11"},"validFrom":"1981-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512917|P10900|1981-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01767","name":"Sunoco, Inc."},"object":{"type":"operator","id":"P10900","name":"Shamrock Coal Company Inc"},"validFrom":"1981-06-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1512917","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512917|P10900|1981-06-01|C01767|1979-11-01|55974"}}],"coverage":{"historyRecords":1,"edgeCount":3,"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":"1992-11-20","lastDate":"1992-11-20","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":1,"firstDate":"2000-11-09","lastDate":"2000-11-09","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":1,"validSamples":0,"maxConcentration":0.202,"concentrationTotal":0.202},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1165502","CASS_NUM":"50559033","SMP_TAKEN_DT":"11/9/2000","CONC":".202","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID SAMPLE TYPE","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2000-11-09"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"1981-06-01","lastDate":"1981-06-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"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/1512917/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1512917/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":"1512917","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}