{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"2103804","name":"Wash Plant #1","status":"Abandoned","status_date":"2017-07-24","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Pennington","nearest_town":"Thief River Falls","operator_id":"0112445","operator_name":"Minn-Dak Asphalt, Inc","controller_id":"0095193","controller_name":"Kilen  Boe","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":8},"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":"2103804","name":"Wash Plant #1"},"operator":{"type":"operator","id":"0112445","name":"Minn-Dak Asphalt, Inc"},"controller":{"type":"controller","id":"0095193","name":"Kilen  Boe"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0095193","name":"Kilen  Boe"},"object":{"type":"mine","id":"2103804","name":"Wash Plant #1"},"validFrom":"2010-07-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2103804|0095193|2010-07-21|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0112445","name":"Minn-Dak Asphalt, Inc"},"object":{"type":"mine","id":"2103804","name":"Wash Plant #1"},"validFrom":"2013-06-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2103804|0112445|2013-06-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0095193","name":"Kilen  Boe"},"object":{"type":"operator","id":"0112445","name":"Minn-Dak Asphalt, Inc"},"validFrom":"2013-06-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103804","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2103804|0112445|2013-06-10|0095193|2010-07-21|15682"}}],"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":"2017-07-24","lastDate":"2017-07-24","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":"2013-06-10","lastDate":"2013-06-10","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":4,"firstDate":"2013-09-23","lastDate":"2016-07-20","metrics":{"inspectors":4,"recentRows":0,"onSiteHours":1,"inspectionHours":5.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"284315","EVENT_NO":"6710432","INSPECTION_BEGIN_DT":"07/20/2016","INSPECTION_END_DT":"07/20/2016","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.75","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2016-07-20"},{"SOURCE_ROW_NUMBER":"733720","EVENT_NO":"6637920","INSPECTION_BEGIN_DT":"08/12/2015","INSPECTION_END_DT":"08/12/2015","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2015-08-12"},{"SOURCE_ROW_NUMBER":"784555","EVENT_NO":"6574964","INSPECTION_BEGIN_DT":"07/07/2014","INSPECTION_END_DT":"07/07/2014","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".75","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2014-07-07"},{"SOURCE_ROW_NUMBER":"393740","EVENT_NO":"6637048","INSPECTION_BEGIN_DT":"09/23/2013","INSPECTION_END_DT":"09/23/2013","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".75","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2013-09-23"}]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2013":{"hours":454,"employees":2,"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/2103804/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2103804/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":"2103804","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}