{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3201066","name":"Screen 1","status":"Intermittent","status_date":"2025-05-20","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"ND","county":"Towner","nearest_town":"Egeland","operator_id":"0153153","operator_name":"L O Belle Trucking","controller_id":"0135981","controller_name":"Lynn  Belle","district":"M4","office":"Hibbing MN Field Office","employees":2,"latitude":48.626667,"longitude":-99.207222},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":84},"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":"3201066","name":"Screen 1"},"operator":{"type":"operator","id":"0153153","name":"L O Belle Trucking"},"controller":{"type":"controller","id":"0135981","name":"Lynn  Belle"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0153153","name":"L O Belle Trucking"},"object":{"type":"mine","id":"3201066","name":"Screen 1"},"validFrom":"2017-07-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3201066|0153153|2017-07-05|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0135981","name":"Lynn  Belle"},"object":{"type":"mine","id":"3201066","name":"Screen 1"},"validFrom":"2017-07-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3201066|0135981|2017-07-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0135981","name":"Lynn  Belle"},"object":{"type":"operator","id":"0153153","name":"L O Belle Trucking"},"validFrom":"2017-07-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"3201066","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3201066|0153153|2017-07-05|0135981|2017-07-05|27342"}}],"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":"2025-05-20","lastDate":"2025-05-20","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":"2017-07-05","lastDate":"2017-07-05","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":3,"firstDate":"2021-03-10","lastDate":"2026-09-16","metrics":{"inspectors":3,"recentRows":3,"onSiteHours":6.75,"inspectionHours":13.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"511209","EVENT_NO":"F03EDA0","INSPECTION_BEGIN_DT":"09/16/2026","INSPECTION_END_DT":"09/16/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.25","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2026-09-16"},{"SOURCE_ROW_NUMBER":"767741","EVENT_NO":"F015735","INSPECTION_BEGIN_DT":"05/20/2025","INSPECTION_END_DT":"05/20/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2025-05-20"},{"SOURCE_ROW_NUMBER":"691046","EVENT_NO":"6857245","INSPECTION_BEGIN_DT":"03/10/2021","INSPECTION_END_DT":"03/10/2021","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2021-03-10"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":72,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":0,"employees":0,"production":0},"2026-Q1":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":8,"employees":1,"production":0},"2025-Q3":{"hours":0,"employees":0,"production":0},"2025-Q2":{"hours":15,"employees":1,"production":0},"2025-Q1":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":0,"employees":0,"production":0},"2024-Q3":{"hours":0,"employees":0,"production":0},"2024-Q2":{"hours":0,"employees":0,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":0,"employees":0,"production":0},"2023-Q3":{"hours":0,"employees":0,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":6,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":25,"employees":1,"production":0},"2018":{"hours":76,"employees":1,"production":0},"2019":{"hours":94,"employees":1,"production":0},"2025":{"hours":23,"employees":1,"production":0},"2026":{"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/3201066/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3201066/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":"3201066","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}