{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4703856","name":"Crusher 952","status":"Temporarily Idled","status_date":"2026-05-01","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WI","county":"Manitowoc","nearest_town":"Meeme, WI","operator_id":"0139019","operator_name":"Vinton Construction Company","controller_id":"0118313","controller_name":"Michael  Maples","district":"M4","office":"Marquette MI Field Office","employees":0,"latitude":43.950833,"longitude":-87.872778},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":42},"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":"4703856","name":"Crusher 952"},"operator":{"type":"operator","id":"0139019","name":"Vinton Construction Company"},"controller":{"type":"controller","id":"0118313","name":"Michael  Maples"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0118313","name":"Michael  Maples et al"},"object":{"type":"mine","id":"4703856","name":"Crusher 952"},"validFrom":"2015-06-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703856|0118313|2015-06-05|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0139019","name":"Vinton Construction Company"},"object":{"type":"mine","id":"4703856","name":"Crusher 952"},"validFrom":"2019-08-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703856|0139019|2019-08-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0118313","name":"Michael  Maples et al"},"object":{"type":"operator","id":"0139019","name":"Vinton Construction Company"},"validFrom":"2019-08-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703856","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703856|0139019|2019-08-02|0118313|2015-06-05|22608"}}],"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":"2026-05-01","lastDate":"2026-05-01","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":"2026-04-21","lastDate":"2026-04-21","metrics":{"ss":0,"delinquent":1,"recentRows":1,"paidPenalty":151,"proposedPenalty":151,"currentAssessment":151},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3035096","VIOLATION_NO":"5117543","ISSUE_DT":"04/21/2026","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":"2026-04-21"}]},{"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":"2019-08-02","lastDate":"2019-08-02","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":"2020-09-02","lastDate":"2026-04-21","metrics":{"inspectors":4,"recentRows":3,"onSiteHours":4.25,"inspectionHours":20.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1153662","EVENT_NO":"F03B7FF","INSPECTION_BEGIN_DT":"04/21/2026","INSPECTION_END_DT":"04/21/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.75","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2026-04-21"},{"SOURCE_ROW_NUMBER":"312318","EVENT_NO":"6905390","INSPECTION_BEGIN_DT":"07/27/2022","INSPECTION_END_DT":"07/27/2022","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2022-07-27"},{"SOURCE_ROW_NUMBER":"233308","EVENT_NO":"6840880","INSPECTION_BEGIN_DT":"09/23/2021","INSPECTION_END_DT":"09/23/2021","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.25","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2021-09-23"},{"SOURCE_ROW_NUMBER":"764895","EVENT_NO":"6901212","INSPECTION_BEGIN_DT":"09/02/2020","INSPECTION_END_DT":"09/02/2020","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2020-09-02"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":30,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":54,"employees":2,"production":0},"2023-Q1":{"hours":0,"employees":0,"production":0},"2022-Q4":{"hours":0,"employees":0,"production":0},"2022-Q3":{"hours":0,"employees":0,"production":0},"2022-Q2":{"hours":0,"employees":0,"production":0},"2022-Q1":{"hours":0,"employees":0,"production":0},"2021-Q4":{"hours":0,"employees":0,"production":0},"2021-Q3":{"hours":0,"employees":0,"production":0},"2021-Q2":{"hours":0,"employees":0,"production":0},"2021-Q1":{"hours":0,"employees":0,"production":0},"2020-Q4":{"hours":0,"employees":0,"production":0},"2020-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":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2020":{"hours":69,"employees":2,"production":0},"2026":{"hours":54,"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":"2026-04-21","lastDate":"2026-04-21","metrics":{"ss":0,"amountDue":151,"contested":0,"amountPaid":151,"recentRows":1,"section104d":0,"unterminated":0,"proposedPenalty":151},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3033956","VIOLATION_NO":"5117543","VIOLATION_ISSUE_DT":"04/21/2026","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/21/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-04-21"}]}],"safety":{"href":"/api/v1/mines/4703856/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4703856/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":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4703856","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}