{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2104083","name":"Monticello Pit","status":"Intermittent","status_date":"2024-08-21","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Wright","nearest_town":"Monticello","operator_id":"0197493","operator_name":"MBE Inc","controller_id":"0186740","controller_name":"Robert L Perry","district":"M4","office":"Duluth MN Field Office","employees":2,"latitude":45.271111,"longitude":-93.823611},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":21},"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":"2104083","name":"Monticello Pit"},"operator":{"type":"operator","id":"0197493","name":"MBE Inc"},"controller":{"type":"controller","id":"0186740","name":"Robert L Perry"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0197493","name":"MBE Inc"},"object":{"type":"mine","id":"2104083","name":"Monticello Pit"},"validFrom":"2024-08-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104083|0197493|2024-08-09|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0186740","name":"Robert L Perry"},"object":{"type":"mine","id":"2104083","name":"Monticello Pit"},"validFrom":"2024-08-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104083|0186740|2024-08-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0186740","name":"Robert L Perry"},"object":{"type":"operator","id":"0197493","name":"MBE Inc"},"validFrom":"2024-08-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"2104083","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104083|0197493|2024-08-09|0186740|2024-08-09|39817"}}],"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":"2024-08-21","lastDate":"2024-08-21","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":2,"firstDate":"2025-10-29","lastDate":"2025-10-29","metrics":{"ss":0,"delinquent":2,"recentRows":2,"paidPenalty":302,"proposedPenalty":302,"currentAssessment":302},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3026311","VIOLATION_NO":"9998915","ISSUE_DT":"10/29/2025","CFR_STANDARD_CD":"50.30(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":"2025-10-29"},{"SOURCE_ROW_NUMBER":"3026310","VIOLATION_NO":"9998914","ISSUE_DT":"10/29/2025","CFR_STANDARD_CD":"50.30(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":"2025-10-29"}]},{"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":"2024-08-09","lastDate":"2024-08-09","metrics":{"recentRows":1,"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":"2024-09-05","lastDate":"2025-10-29","metrics":{"inspectors":3,"recentRows":3,"onSiteHours":9.25,"inspectionHours":21,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"824514","EVENT_NO":"F0338E2","INSPECTION_BEGIN_DT":"10/29/2025","INSPECTION_END_DT":"10/29/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.25","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2025-10-29"},{"SOURCE_ROW_NUMBER":"178053","EVENT_NO":"F014B3A","INSPECTION_BEGIN_DT":"11/07/2024","INSPECTION_END_DT":"11/07/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"3.75","sourceDate":"2024-11-07"},{"SOURCE_ROW_NUMBER":"623120","EVENT_NO":"F0015C5","INSPECTION_BEGIN_DT":"09/05/2024","INSPECTION_END_DT":"09/05/2024","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2024-09-05"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":8,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":0,"employees":0,"production":0},"2026-Q1":{"hours":209,"employees":1,"production":0},"2025-Q4":{"hours":275,"employees":1,"production":0},"2025-Q3":{"hours":642,"employees":1,"production":0},"2025-Q2":{"hours":470,"employees":1,"production":0},"2025-Q1":{"hours":145,"employees":1,"production":0},"2024-Q4":{"hours":471,"employees":1,"production":0},"2024-Q3":{"hours":105,"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":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2024":{"hours":576,"employees":1,"production":0},"2025":{"hours":1532,"employees":1,"production":0},"2026":{"hours":209,"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":2,"firstDate":"2025-10-29","lastDate":"2025-10-29","metrics":{"ss":0,"amountDue":302,"contested":0,"amountPaid":302,"recentRows":2,"section104d":0,"unterminated":0,"proposedPenalty":302},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1388070","VIOLATION_NO":"9998915","VIOLATION_ISSUE_DT":"10/29/2025","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/29/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-10-29"},{"SOURCE_ROW_NUMBER":"1388069","VIOLATION_NO":"9998914","VIOLATION_ISSUE_DT":"10/29/2025","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/29/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-10-29"}]}],"safety":{"href":"/api/v1/mines/2104083/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2104083/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":"Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30","part":"50","subchapter":"I","subpart":"D","id":"50.30","citation":"30 CFR 50.30","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"occurrenceCount":2}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2104083","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}