{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2104086","name":"ASTEC Screener","status":"Intermittent","status_date":"2024-10-02","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"St Louis","nearest_town":"Soudan, MN","operator_id":"L36188","operator_name":"Mesabi Bituminous Inc","controller_id":"0118467","controller_name":"Thomas  Nemanich","district":"M4","office":"Hibbing MN Field Office","employees":1,"latitude":47.814167,"longitude":-92.225},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":35},"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":"2104086","name":"ASTEC Screener"},"operator":{"type":"operator","id":"L36188","name":"Mesabi Bituminous Inc"},"controller":{"type":"controller","id":"0118467","name":"Thomas  Nemanich"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M36188","name":"Jerome  Nemanich"},"object":{"type":"mine","id":"2104086","name":"ASTEC Screener"},"validFrom":"1992-06-01","validTo":"2015-06-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104086|M36188|1992-06-01|2015-06-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0118467","name":"Thomas  Nemanich"},"object":{"type":"mine","id":"2104086","name":"ASTEC Screener"},"validFrom":"2015-06-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104086|0118467|2015-06-17|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L36188","name":"Mesabi Bituminous Inc"},"object":{"type":"mine","id":"2104086","name":"ASTEC Screener"},"validFrom":"2024-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104086|L36188|2024-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0118467","name":"Thomas  Nemanich"},"object":{"type":"operator","id":"L36188","name":"Mesabi Bituminous Inc"},"validFrom":"2024-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2104086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104086|L36188|2024-10-01|0118467|2015-06-17|22652"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M36188","name":"Jerome  Nemanich"},"object":{"type":"operator","id":"L36188","name":"Mesabi Bituminous Inc"},"validFrom":"2024-10-01","validTo":"2015-06-16","current":false,"derived":true,"evidenceMineId":"2104086","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104086|L36188|2024-10-01|M36188|1992-06-01|165197"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":1,"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":"2024-10-02","lastDate":"2024-10-02","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":6,"firstDate":"2024-10-01","lastDate":"2025-08-20","metrics":{"ss":0,"delinquent":6,"recentRows":6,"paidPenalty":919,"proposedPenalty":919,"currentAssessment":919},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2982265","VIOLATION_NO":"9696176","ISSUE_DT":"08/20/2025","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-08-20"},{"SOURCE_ROW_NUMBER":"2701297","VIOLATION_NO":"6495325","ISSUE_DT":"10/02/2024","CFR_STANDARD_CD":"56.15001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-10-02"},{"SOURCE_ROW_NUMBER":"2701296","VIOLATION_NO":"6495324","ISSUE_DT":"10/01/2024","CFR_STANDARD_CD":"46.8","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"168.00","CURRENT_ASSESSMENT_AMT":"168.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-10-01"},{"SOURCE_ROW_NUMBER":"2701295","VIOLATION_NO":"6495323","ISSUE_DT":"10/01/2024","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-10-01"},{"SOURCE_ROW_NUMBER":"2701294","VIOLATION_NO":"6495322","ISSUE_DT":"10/01/2024","CFR_STANDARD_CD":"41.11(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-10-01"},{"SOURCE_ROW_NUMBER":"2701293","VIOLATION_NO":"6495321","ISSUE_DT":"10/01/2024","CFR_STANDARD_CD":"56.4201(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-10-01"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":2,"firstDate":"2024-10-01","lastDate":"2024-10-01","metrics":{"recentRows":2,"currentOperatorTenures":2,"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":"2024-10-01","lastDate":"2026-09-02","metrics":{"inspectors":3,"recentRows":3,"onSiteHours":17,"inspectionHours":41,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1007971","EVENT_NO":"F0471BD","INSPECTION_BEGIN_DT":"09/02/2026","INSPECTION_END_DT":"09/02/2026","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2026-09-02"},{"SOURCE_ROW_NUMBER":"504210","EVENT_NO":"F0178A7","INSPECTION_BEGIN_DT":"08/20/2025","INSPECTION_END_DT":"08/20/2025","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.75","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2025-08-20"},{"SOURCE_ROW_NUMBER":"628224","EVENT_NO":"6907958","INSPECTION_BEGIN_DT":"10/01/2024","INSPECTION_END_DT":"10/03/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"31.75","SUM_TOTAL_ON_SITE_HOURS":"12.25","sourceDate":"2024-10-01"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":12,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":1,"employees":1,"production":0},"2026-Q1":{"hours":1,"employees":1,"production":0},"2025-Q4":{"hours":1,"employees":1,"production":0},"2025-Q3":{"hours":26,"employees":2,"production":0},"2025-Q2":{"hours":1,"employees":1,"production":0},"2025-Q1":{"hours":1,"employees":1,"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":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2025":{"hours":29,"employees":2,"production":0},"2026":{"hours":2,"employees":1,"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":[]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":6,"firstDate":"2024-10-01","lastDate":"2025-08-20","metrics":{"ss":0,"amountDue":919,"contested":0,"amountPaid":919,"recentRows":6,"section104d":0,"unterminated":0,"proposedPenalty":919},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1388077","VIOLATION_NO":"9696176","VIOLATION_ISSUE_DT":"08/20/2025","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/25/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-08-20"},{"SOURCE_ROW_NUMBER":"1388082","VIOLATION_NO":"6495325","VIOLATION_ISSUE_DT":"10/02/2024","SIG_SUB":"N","PART_SECTION":"56.15001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/03/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-10-02"},{"SOURCE_ROW_NUMBER":"1388081","VIOLATION_NO":"6495324","VIOLATION_ISSUE_DT":"10/01/2024","SIG_SUB":"N","PART_SECTION":"46.8","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/01/2024","PROPOSED_PENALTY":"168","AMOUNT_DUE":"168","AMOUNT_PAID":"168","CONTESTED_IND":"N","sourceDate":"2024-10-01"},{"SOURCE_ROW_NUMBER":"1388080","VIOLATION_NO":"6495323","VIOLATION_ISSUE_DT":"10/01/2024","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/02/2024","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2024-10-01"},{"SOURCE_ROW_NUMBER":"1388079","VIOLATION_NO":"6495322","VIOLATION_ISSUE_DT":"10/01/2024","SIG_SUB":"N","PART_SECTION":"41.11(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/02/2024","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2024-10-01"},{"SOURCE_ROW_NUMBER":"1388078","VIOLATION_NO":"6495321","VIOLATION_ISSUE_DT":"10/01/2024","SIG_SUB":"N","PART_SECTION":"56.4201(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/02/2024","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2024-10-01"}]}],"safety":{"href":"/api/v1/mines/2104086/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2104086/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":[{"chapter":"I","heading":"Notification of commencement of operations and closing of mines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000","part":"56","subchapter":"K","subpart":"A","id":"56.1000","citation":"30 CFR 56.1000","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"First-aid materials.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001","part":"56","subchapter":"K","subpart":"N","id":"56.15001","citation":"30 CFR 56.15001","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Annual refresher training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8","part":"46","subchapter":"H","subpart":"","id":"46.8","citation":"30 CFR 46.8","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 46—TRAINING AND RETRAINING OF MINERS ENGAGED IN SHELL DREDGING OR EMPLOYED AT SAND, GRAVEL, SURFACE STONE, SURFACE CLAY, COLLOIDAL PHOSPHATE, OR SURFACE LIMESTONE MINES.","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Notification by operator.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.11","part":"41","subchapter":"G","subpart":"B","id":"41.11","citation":"30 CFR 41.11","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER G—FILING AND OTHER ADMINISTRATIVE REQUIREMENTS","partHeading":"PART 41—NOTIFICATION OF LEGAL IDENTITY","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Inspection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201","part":"56","subchapter":"K","subpart":"C","id":"56.4201","citation":"30 CFR 56.4201","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2104086","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}