{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3304356","name":"No 11","status":"Abandoned and Sealed","status_date":"2000-12-08","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"OH","county":"Columbiana","nearest_town":"Lisbon","operator_id":"P20103","operator_name":"Mountain Spring Coal Company","controller_id":"C13727","controller_name":"Forest Coal Company","district":"M2","office":"Warrendale District","employees":0,"latitude":40.6972,"longitude":-80.7},"coverage":{"contributingSources":13,"registeredSources":20,"sourceRows":206},"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":"3304356","name":"No 11"},"operator":{"type":"operator","id":"P20103","name":"Mountain Spring Coal Company"},"controller":{"type":"controller","id":"C13727","name":"Forest Coal Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13727","name":"Forest Coal Company"},"object":{"type":"mine","id":"3304356","name":"No 11"},"validFrom":"1989-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304356|C13727|1989-03-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20103","name":"Mountain Spring Coal Company"},"object":{"type":"mine","id":"3304356","name":"No 11"},"validFrom":"1995-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304356|P20103|1995-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13727","name":"Forest Coal Company"},"object":{"type":"operator","id":"P20103","name":"Mountain Spring Coal Company"},"validFrom":"1995-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304356","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304356|P20103|1995-07-01|C13727|1989-03-01|90936"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":14,"firstDate":"2000-01-12","lastDate":"2000-11-29","metrics":{"daysLost":65,"injuries":13,"fatalities":0,"recentRows":0,"restrictedDays":160,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"204549","DOCUMENT_NO":"220003430016","ACCIDENT_DT":"11/29/2000","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"ROOF FELL ABOVE ANCHORAGE IN A FAULT AREA. 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