{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"2103464","name":"Screen Plant #1","status":"Abandoned","status_date":"2022-05-20","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Mille Lacs","nearest_town":"Pease","operator_id":"0053715","operator_name":"Havel Gravel, Inc.","controller_id":"0044463","controller_name":"Judith A  Havel","district":"M4","office":"Duluth MN Field Office","employees":0,"latitude":45.706944,"longitude":-93.690278},"coverage":{"contributingSources":7,"registeredSources":20,"sourceRows":39},"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":"2103464","name":"Screen Plant #1"},"operator":{"type":"operator","id":"0053715","name":"Havel Gravel, Inc."},"controller":{"type":"controller","id":"0044463","name":"Judith A  Havel"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0053715","name":"Havel Gravel, Inc."},"object":{"type":"mine","id":"2103464","name":"Screen Plant #1"},"validFrom":"2004-08-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2103464|0053715|2004-08-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0044463","name":"Judith A  Havel et al"},"object":{"type":"mine","id":"2103464","name":"Screen Plant #1"},"validFrom":"2004-08-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2103464|0044463|2004-08-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0044463","name":"Judith A  Havel et al"},"object":{"type":"operator","id":"0053715","name":"Havel Gravel, Inc."},"validFrom":"2004-08-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103464","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2103464|0053715|2004-08-10|0044463|2004-08-10|5082"}}],"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":"2022-05-20","lastDate":"2022-05-20","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":1,"firstDate":"2013-08-26","lastDate":"2013-08-26","metrics":{"ss":0,"delinquent":0,"recentRows":0,"paidPenalty":100,"proposedPenalty":100,"currentAssessment":100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2298752","VIOLATION_NO":"8684908","ISSUE_DT":"08/26/2013","CFR_STANDARD_CD":"56.12018","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-08-26"}]},{"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":"2004-08-10","lastDate":"2004-08-10","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":20,"firstDate":"2004-09-27","lastDate":"2021-08-04","metrics":{"inspectors":19,"recentRows":1,"onSiteHours":16.25,"inspectionHours":62,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"120838","EVENT_NO":"6901082","INSPECTION_BEGIN_DT":"08/04/2021","INSPECTION_END_DT":"08/04/2021","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.75","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2021-08-04"},{"SOURCE_ROW_NUMBER":"98672","EVENT_NO":"6837943","INSPECTION_BEGIN_DT":"08/07/2020","INSPECTION_END_DT":"08/07/2020","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2020-08-07"},{"SOURCE_ROW_NUMBER":"421881","EVENT_NO":"6837044","INSPECTION_BEGIN_DT":"08/26/2019","INSPECTION_END_DT":"08/27/2019","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2019-08-26"},{"SOURCE_ROW_NUMBER":"425748","EVENT_NO":"6837008","INSPECTION_BEGIN_DT":"07/10/2019","INSPECTION_END_DT":"07/10/2019","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2019-07-10"},{"SOURCE_ROW_NUMBER":"634213","EVENT_NO":"6750692","INSPECTION_BEGIN_DT":"05/29/2019","INSPECTION_END_DT":"05/29/2019","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2019-05-29"},{"SOURCE_ROW_NUMBER":"607273","EVENT_NO":"6750042","INSPECTION_BEGIN_DT":"07/10/2018","INSPECTION_END_DT":"07/10/2018","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2018-07-10"},{"SOURCE_ROW_NUMBER":"331747","EVENT_NO":"6708979","INSPECTION_BEGIN_DT":"08/01/2017","INSPECTION_END_DT":"08/01/2017","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2017-08-01"},{"SOURCE_ROW_NUMBER":"561188","EVENT_NO":"6708727","INSPECTION_BEGIN_DT":"08/23/2016","INSPECTION_END_DT":"08/23/2016","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2016-08-23"},{"SOURCE_ROW_NUMBER":"830044","EVENT_NO":"6708112","INSPECTION_BEGIN_DT":"08/24/2015","INSPECTION_END_DT":"08/24/2015","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2015-08-24"},{"SOURCE_ROW_NUMBER":"304518","EVENT_NO":"6706021","INSPECTION_BEGIN_DT":"09/17/2014","INSPECTION_END_DT":"09/17/2014","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2014-09-17"},{"SOURCE_ROW_NUMBER":"187685","EVENT_NO":"6651814","INSPECTION_BEGIN_DT":"08/26/2013","INSPECTION_END_DT":"08/26/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2013-08-26"},{"SOURCE_ROW_NUMBER":"524098","EVENT_NO":"6574616","INSPECTION_BEGIN_DT":"09/20/2011","INSPECTION_END_DT":"09/20/2011","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2011-09-20"}]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":14,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2009":{"hours":46,"employees":1,"production":0},"2010":{"hours":119,"employees":1,"production":0},"2011":{"hours":12,"employees":1,"production":0},"2012":{"hours":291,"employees":2,"production":0},"2013":{"hours":84,"employees":2,"production":0},"2014":{"hours":12,"employees":2,"production":0},"2015":{"hours":27,"employees":2,"production":0},"2016":{"hours":32,"employees":2,"production":0},"2017":{"hours":29,"employees":2,"production":0},"2019":{"hours":27,"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":[]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":1,"firstDate":"2013-08-26","lastDate":"2013-08-26","metrics":{"ss":0,"amountDue":100,"contested":0,"amountPaid":100,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1379768","VIOLATION_NO":"8684908","VIOLATION_ISSUE_DT":"08/26/2013","SIG_SUB":"N","PART_SECTION":"56.12018","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/26/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2013-08-26"}]}],"safety":{"href":"/api/v1/mines/2103464/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2103464/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":"Identification of power switches.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018","part":"56","subchapter":"K","subpart":"K","id":"56.12018","citation":"30 CFR 56.12018","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":"2103464","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}