{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2003622","name":"TROMMEL SCREEN","status":"Abandoned","status_date":"2026-08-12","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MI","county":"Jackson","nearest_town":"Concord","operator_id":"L09027","operator_name":"Carr Brothers and Sons, Inc.","controller_id":"M07123","controller_name":"John R  Carr Jr","district":"M4","office":"Lansing MI Field Office","employees":0,"latitude":42.299722,"longitude":-84.996111},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":46},"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":"2003622","name":"TROMMEL SCREEN"},"operator":{"type":"operator","id":"L09027","name":"Carr Brothers and Sons, Inc."},"controller":{"type":"controller","id":"M07123","name":"John R  Carr Jr"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07123","name":"John R  Carr Jr  et al"},"object":{"type":"mine","id":"2003622","name":"TROMMEL SCREEN"},"validFrom":"1984-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2003622|M07123|1984-06-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09027","name":"Carr Brothers and Sons, Inc."},"object":{"type":"mine","id":"2003622","name":"TROMMEL SCREEN"},"validFrom":"2021-09-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2003622|L09027|2021-09-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07123","name":"John R  Carr Jr  et al"},"object":{"type":"operator","id":"L09027","name":"Carr Brothers and Sons, Inc."},"validFrom":"2021-09-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"2003622","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2003622|L09027|2021-09-22|M07123|1984-06-01|140144"}}],"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":"2026-08-12","lastDate":"2026-08-12","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":"2021-09-23","lastDate":"2021-09-23","metrics":{"ss":1,"delinquent":1,"recentRows":1,"paidPenalty":136,"proposedPenalty":136,"currentAssessment":136},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2690506","VIOLATION_NO":"9622068","ISSUE_DT":"09/23/2021","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"136.00","CURRENT_ASSESSMENT_AMT":"136.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-09-23"}]},{"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":"2021-09-22","lastDate":"2021-09-22","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":6,"firstDate":"2021-09-23","lastDate":"2025-08-27","metrics":{"inspectors":5,"recentRows":6,"onSiteHours":12.75,"inspectionHours":33.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"723838","EVENT_NO":"F02CF06","INSPECTION_BEGIN_DT":"08/27/2025","INSPECTION_END_DT":"08/27/2025","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2025-08-27"},{"SOURCE_ROW_NUMBER":"491990","EVENT_NO":"6953334","INSPECTION_BEGIN_DT":"08/21/2024","INSPECTION_END_DT":"08/23/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.75","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2024-08-21"},{"SOURCE_ROW_NUMBER":"873479","EVENT_NO":"6908365","INSPECTION_BEGIN_DT":"05/30/2023","INSPECTION_END_DT":"05/30/2023","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2023-05-30"},{"SOURCE_ROW_NUMBER":"548766","EVENT_NO":"6579795","INSPECTION_BEGIN_DT":"05/17/2023","INSPECTION_END_DT":"05/17/2023","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2023-05-17"},{"SOURCE_ROW_NUMBER":"53179","EVENT_NO":"6902774","INSPECTION_BEGIN_DT":"08/08/2022","INSPECTION_END_DT":"08/08/2022","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2022-08-08"},{"SOURCE_ROW_NUMBER":"398442","EVENT_NO":"6902430","INSPECTION_BEGIN_DT":"09/23/2021","INSPECTION_END_DT":"09/23/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2021-09-23"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":28,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":15,"employees":1,"production":0},"2025-Q3":{"hours":68,"employees":1,"production":0},"2025-Q2":{"hours":234,"employees":1,"production":0},"2024-Q4":{"hours":3,"employees":1,"production":0},"2024-Q3":{"hours":54,"employees":1,"production":0},"2024-Q2":{"hours":87,"employees":1,"production":0},"2023-Q4":{"hours":68,"employees":1,"production":0},"2023-Q2":{"hours":49,"employees":1,"production":0},"2022-Q4":{"hours":20,"employees":1,"production":0},"2022-Q3":{"hours":132,"employees":2,"production":0},"2022-Q2":{"hours":80,"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":7,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2021":{"hours":177,"employees":2,"production":0},"2022":{"hours":253,"employees":2,"production":0},"2023":{"hours":117,"employees":1,"production":0},"2024":{"hours":144,"employees":1,"production":0},"2025":{"hours":317,"employees":1,"production":0},"2026":{"hours":0,"employees":0,"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":"2021-09-23","lastDate":"2021-09-23","metrics":{"ss":1,"amountDue":136,"contested":0,"amountPaid":136,"recentRows":1,"section104d":0,"unterminated":0,"proposedPenalty":136},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1327694","VIOLATION_NO":"9622068","VIOLATION_ISSUE_DT":"09/23/2021","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/23/2021","PROPOSED_PENALTY":"136","AMOUNT_DUE":"136","AMOUNT_PAID":"136","CONTESTED_IND":"N","sourceDate":"2021-09-23"}]}],"safety":{"href":"/api/v1/mines/2003622/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2003622/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":"Moving machine parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107","part":"56","subchapter":"K","subpart":"M","id":"56.14107","citation":"30 CFR 56.14107","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":"2003622","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}