{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4703921","name":"Rip Rap Production","status":"Abandoned","status_date":"2025-03-19","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WI","county":"Douglas","nearest_town":"South Range","operator_id":"0181453","operator_name":"Northern Interstate Construction, Inc.","controller_id":"0167581","controller_name":"Justin  Johnson; Blake  Johnson","district":"M4","office":"Duluth MN Field Office","employees":0,"latitude":46.589722,"longitude":-91.931389},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":17},"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":"4703921","name":"Rip Rap Production"},"operator":{"type":"operator","id":"0181453","name":"Northern Interstate Construction, Inc."},"controller":{"type":"controller","id":"0167581","name":"Justin  Johnson; Blake  Johnson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0167581","name":"Justin  Johnson et al"},"object":{"type":"mine","id":"4703921","name":"Rip Rap Production"},"validFrom":"2022-03-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703921|0167581|2022-03-17|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0181453","name":"Northern Interstate Construction, Inc."},"object":{"type":"mine","id":"4703921","name":"Rip Rap Production"},"validFrom":"2022-04-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703921|0181453|2022-04-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0167581","name":"Justin  Johnson et al"},"object":{"type":"operator","id":"0181453","name":"Northern Interstate Construction, Inc."},"validFrom":"2022-04-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703921","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703921|0181453|2022-04-26|0167581|2022-03-17|35291"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0167581","name":"Blake  Johnson et al"},"object":{"type":"operator","id":"0181453","name":"Northern Interstate Construction, Inc."},"validFrom":"2022-04-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703921","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703921|0181453|2022-04-26|0167581|2022-03-17|35292"}}],"coverage":{"historyRecords":2,"edgeCount":4,"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":"2025-03-19","lastDate":"2025-03-19","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":"2023-07-05","lastDate":"2023-07-05","metrics":{"ss":0,"delinquent":1,"recentRows":1,"paidPenalty":143,"proposedPenalty":143,"currentAssessment":143},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2698904","VIOLATION_NO":"9487844","ISSUE_DT":"07/05/2023","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-07-05"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":1,"firstDate":"2023-09-05","lastDate":"2023-09-05","metrics":{"linkedIssuances":1},"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":2,"firstDate":"2022-04-26","lastDate":"2022-04-26","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":5,"firstDate":"2022-05-16","lastDate":"2024-08-26","metrics":{"inspectors":5,"recentRows":5,"onSiteHours":8.5,"inspectionHours":18.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"37806","EVENT_NO":"F016C79","INSPECTION_BEGIN_DT":"08/26/2024","INSPECTION_END_DT":"08/26/2024","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2024-08-26"},{"SOURCE_ROW_NUMBER":"1123524","EVENT_NO":"6906818","INSPECTION_BEGIN_DT":"07/03/2023","INSPECTION_END_DT":"07/10/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2023-07-03"},{"SOURCE_ROW_NUMBER":"267615","EVENT_NO":"0964722","INSPECTION_BEGIN_DT":"05/17/2023","INSPECTION_END_DT":"05/17/2023","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".75","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2023-05-17"},{"SOURCE_ROW_NUMBER":"723433","EVENT_NO":"6906261","INSPECTION_BEGIN_DT":"08/03/2022","INSPECTION_END_DT":"08/03/2022","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.75","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2022-08-03"},{"SOURCE_ROW_NUMBER":"544943","EVENT_NO":"6906211","INSPECTION_BEGIN_DT":"05/16/2022","INSPECTION_END_DT":"05/16/2022","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.25","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2022-05-16"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2023-Q2":{"hours":68,"employees":2,"production":0},"2022-Q3":{"hours":396,"employees":1,"production":0},"2022-Q2":{"hours":193,"employees":2,"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":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2022":{"hours":589,"employees":2,"production":0},"2023":{"hours":68,"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":"2023-07-05","lastDate":"2023-07-05","metrics":{"ss":0,"amountDue":143,"contested":0,"amountPaid":143,"recentRows":1,"section104d":0,"unterminated":0,"proposedPenalty":143},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3034422","VIOLATION_NO":"9487844","VIOLATION_ISSUE_DT":"07/05/2023","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/05/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-07-05"}]}],"safety":{"href":"/api/v1/mines/4703921/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4703921/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":"4703921","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}