{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"3302688","name":"Rice #5 (Strip)","status":"Abandoned","status_date":"2007-03-22","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"OH","county":"Guernsey","nearest_town":"Quaker City","operator_id":"P24194","operator_name":"R & F Coal Company","controller_id":"C06656","controller_name":"Horizon Natural Resources Incorporated","district":"C03","office":"St. Clairsville OH Field Office","employees":0,"latitude":39.968888,"longitude":-81.218888},"coverage":{"contributingSources":4,"registeredSources":20,"sourceRows":6},"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":"3302688","name":"Rice #5 (Strip)"},"operator":{"type":"operator","id":"P24194","name":"R & F Coal Company"},"controller":{"type":"controller","id":"C06656","name":"Horizon Natural Resources Incorporated"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01540","name":"R & F Coal Company"},"object":{"type":"mine","id":"3302688","name":"Rice #5 (Strip)"},"validFrom":"1950-01-01","validTo":"1992-11-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3302688|P01540|1950-01-01|1992-11-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01012","name":"Shell Oil Company"},"object":{"type":"mine","id":"3302688","name":"Rice #5 (Strip)"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3302688|C01012|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01012","name":"Shell Oil Company"},"object":{"type":"operator","id":"P01540","name":"R & F Coal Company"},"validFrom":"1950-01-01","validTo":"1992-11-15","current":false,"derived":true,"evidenceMineId":"3302688","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3302688|P01540|1950-01-01|C01012|1950-01-01|51682"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22152","name":"R & F Coal Company"},"object":{"type":"mine","id":"3302688","name":"Rice #5 (Strip)"},"validFrom":"1992-11-16","validTo":"1998-09-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3302688|P22152|1992-11-16|1998-09-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11633","name":"Zeigler Coal Holding Company"},"object":{"type":"mine","id":"3302688","name":"Rice #5 (Strip)"},"validFrom":"1992-11-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3302688|C11633|1992-11-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11633","name":"Zeigler Coal Holding Company"},"object":{"type":"operator","id":"P22152","name":"R & F Coal Company"},"validFrom":"1992-11-16","validTo":"1998-09-01","current":false,"derived":true,"evidenceMineId":"3302688","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3302688|P22152|1992-11-16|C11633|1992-11-16|85077"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24194","name":"R & F Coal Company"},"object":{"type":"mine","id":"3302688","name":"Rice #5 (Strip)"},"validFrom":"1998-09-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3302688|P24194|1998-09-02|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06656","name":"Horizon Natural Resources Incorporated"},"object":{"type":"mine","id":"3302688","name":"Rice #5 (Strip)"},"validFrom":"1998-09-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3302688|C06656|1998-09-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06656","name":"Horizon Natural Resources Incorporated"},"object":{"type":"operator","id":"P24194","name":"R & F Coal Company"},"validFrom":"1998-09-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"3302688","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3302688|P24194|1998-09-02|C06656|1998-09-02|72676"}}],"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":"2007-03-22","lastDate":"2007-03-22","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":"1950-01-01","lastDate":"1998-09-02","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000-Q2":{"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/3302688/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3302688/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":"3302688","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}