{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4404859","name":"No 1 Mine","status":"Abandoned","status_date":"1979-10-03","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"VA","county":"Lee","nearest_town":"","operator_id":"P07445","operator_name":"M & M Coal & Land Development","controller_id":"C03768","controller_name":"Moore Ronald L & Royce","district":"C05","office":"Norton District","employees":0,"latitude":null,"longitude":null},"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":"2026-10-13T11:19:05.459773+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":"4404859","name":"No 1 Mine"},"operator":{"type":"operator","id":"P07445","name":"M & M Coal & Land Development"},"controller":{"type":"controller","id":"C03768","name":"Moore Ronald L & Royce"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07445","name":"M & M Coal & Land Development"},"object":{"type":"mine","id":"4404859","name":"No 1 Mine"},"validFrom":"1977-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404859|P07445|1977-10-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03768","name":"Moore Ronald L & Royce"},"object":{"type":"mine","id":"4404859","name":"No 1 Mine"},"validFrom":"1977-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404859|C03768|1977-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03768","name":"Moore Ronald L & Royce"},"object":{"type":"operator","id":"P07445","name":"M & M Coal & Land Development"},"validFrom":"1977-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4404859","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404859|P07445|1977-10-01|C03768|1977-10-01|63818"}}],"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":"1979-10-03","lastDate":"1979-10-03","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":"2013-01-08","lastDate":"2013-01-08","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":1,"validSamples":0,"maxConcentration":0.859,"concentrationTotal":0.859},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"453753","CASS_NUM":"57995306","SMP_TAKEN_DT":"1/8/2013","CONC":".859","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"MMU NOT IN PRODUCING STATUS","OCC_CD_DESC":"JACK SETTER (LONGWALL)","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2013-01-08"}]},{"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":"1977-10-01","lastDate":"1977-10-01","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/4404859/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4404859/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":"4404859","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}