{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2602539","name":"Kublai Khan","status":"Abandoned","status_date":"2004-06-01","mine_type":"Underground","coal_metal":"M","commodity":"Iron Ore","state":"NV","county":"Pershing","nearest_town":"Lovelock","operator_id":"0052619","operator_name":"Nevada Iron","controller_id":"0043495","controller_name":"Ralph E  Pray","district":"M7","office":"Elko NV Field Office","employees":0,"latitude":40.290104,"longitude":-118.559096},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":5},"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":"2602539","name":"Kublai Khan"},"operator":{"type":"operator","id":"0052619","name":"Nevada Iron"},"controller":{"type":"controller","id":"0043495","name":"Ralph E  Pray"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0052619","name":"Nevada Iron"},"object":{"type":"mine","id":"2602539","name":"Kublai Khan"},"validFrom":"2004-05-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602539|0052619|2004-05-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0043495","name":"Ralph E  Pray"},"object":{"type":"mine","id":"2602539","name":"Kublai Khan"},"validFrom":"2004-05-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602539|0043495|2004-05-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0043495","name":"Ralph E  Pray"},"object":{"type":"operator","id":"0052619","name":"Nevada Iron"},"validFrom":"2004-05-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"2602539","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602539|0052619|2004-05-12|0043495|2004-05-12|4702"}}],"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":"2004-06-01","lastDate":"2004-06-01","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":1,"firstDate":"2004-05-12","lastDate":"2004-05-12","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1,"firstDate":"2004-06-02","lastDate":"2004-06-02","metrics":{"inspectors":1,"recentRows":0,"onSiteHours":2,"inspectionHours":7,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"721378","EVENT_NO":"1077198","INSPECTION_BEGIN_DT":"06/02/2004","INSPECTION_END_DT":"06/02/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2004-06-02"}]},{"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":{"2004-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/2602539/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2602539/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":"2602539","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}