{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2402571","name":"Trommel","status":"Abandoned","status_date":"2011-02-25","mine_type":"Surface","coal_metal":"M","commodity":"Gold Ore","state":"MT","county":"Powell","nearest_town":"Gold Creek","operator_id":"0111045","operator_name":"Randy Rice","controller_id":"0093933","controller_name":"Randy L.  Rice","district":"M6","office":"Helena MT Field Office","employees":0,"latitude":46.585,"longitude":-112.949166},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":25},"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":"2402571","name":"Trommel"},"operator":{"type":"operator","id":"0111045","name":"Randy Rice"},"controller":{"type":"controller","id":"0093933","name":"Randy L.  Rice"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0111045","name":"Randy Rice"},"object":{"type":"mine","id":"2402571","name":"Trommel"},"validFrom":"2010-05-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402571|0111045|2010-05-13|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0093933","name":"Randy L.  Rice"},"object":{"type":"mine","id":"2402571","name":"Trommel"},"validFrom":"2010-05-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402571|0093933|2010-05-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0093933","name":"Randy L.  Rice"},"object":{"type":"operator","id":"0111045","name":"Randy Rice"},"validFrom":"2010-05-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"2402571","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402571|0111045|2010-05-13|0093933|2010-05-13|15368"}}],"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":"2011-02-25","lastDate":"2011-02-25","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":5,"firstDate":"2010-05-13","lastDate":"2010-10-04","metrics":{"ss":0,"delinquent":5,"recentRows":0,"paidPenalty":512,"proposedPenalty":512,"currentAssessment":512},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"526694","VIOLATION_NO":"6592201","ISSUE_DT":"10/04/2010","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-10-04"},{"SOURCE_ROW_NUMBER":"527005","VIOLATION_NO":"6458002","ISSUE_DT":"05/13/2010","CFR_STANDARD_CD":"48.26","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"112.00","CURRENT_ASSESSMENT_AMT":"112.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-05-13"},{"SOURCE_ROW_NUMBER":"527004","VIOLATION_NO":"6458001","ISSUE_DT":"05/13/2010","CFR_STANDARD_CD":"48.23(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-05-13"},{"SOURCE_ROW_NUMBER":"527003","VIOLATION_NO":"6457200","ISSUE_DT":"05/13/2010","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-05-13"},{"SOURCE_ROW_NUMBER":"527002","VIOLATION_NO":"6457199","ISSUE_DT":"05/13/2010","CFR_STANDARD_CD":"41.10","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-05-13"}]},{"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":"2010-05-13","lastDate":"2010-05-13","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":3,"firstDate":"2010-05-12","lastDate":"2010-10-04","metrics":{"inspectors":3,"recentRows":0,"onSiteHours":9,"inspectionHours":25.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"775586","EVENT_NO":"1106422","INSPECTION_BEGIN_DT":"10/04/2010","INSPECTION_END_DT":"10/04/2010","ACTIVITY_CODE":"E24","ACTIVITY":"Other Technical Compliance Investigations","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2010-10-04"},{"SOURCE_ROW_NUMBER":"130885","EVENT_NO":"1106517","INSPECTION_BEGIN_DT":"06/07/2010","INSPECTION_END_DT":"06/07/2010","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2010-06-07"},{"SOURCE_ROW_NUMBER":"247750","EVENT_NO":"1106507","INSPECTION_BEGIN_DT":"05/12/2010","INSPECTION_END_DT":"05/13/2010","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22.75","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2010-05-12"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":7,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011-Q1":{"hours":16,"employees":2,"production":0},"2010-Q4":{"hours":320,"employees":2,"production":0},"2010-Q3":{"hours":260,"employees":2,"production":0},"2010-Q2":{"hours":48,"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":{"2010":{"hours":628,"employees":2,"production":0},"2011":{"hours":16,"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":5,"firstDate":"2010-05-13","lastDate":"2010-10-04","metrics":{"ss":0,"amountDue":512,"contested":0,"amountPaid":512,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":512},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1486714","VIOLATION_NO":"6592201","VIOLATION_ISSUE_DT":"10/04/2010","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/07/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-10-04"},{"SOURCE_ROW_NUMBER":"1486713","VIOLATION_NO":"6458002","VIOLATION_ISSUE_DT":"05/13/2010","SIG_SUB":"N","PART_SECTION":"48.26","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"3","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"06/07/2010","PROPOSED_PENALTY":"112","AMOUNT_DUE":"112","AMOUNT_PAID":"112","CONTESTED_IND":"N","sourceDate":"2010-05-13"},{"SOURCE_ROW_NUMBER":"1486712","VIOLATION_NO":"6458001","VIOLATION_ISSUE_DT":"05/13/2010","SIG_SUB":"N","PART_SECTION":"48.23(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"3","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/07/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-05-13"},{"SOURCE_ROW_NUMBER":"1486711","VIOLATION_NO":"6457200","VIOLATION_ISSUE_DT":"05/13/2010","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/13/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-05-13"},{"SOURCE_ROW_NUMBER":"1486710","VIOLATION_NO":"6457199","VIOLATION_ISSUE_DT":"05/13/2010","SIG_SUB":"N","PART_SECTION":"41.10","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/13/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-05-13"}]}],"safety":{"href":"/api/v1/mines/2402571/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2402571/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":1},{"chapter":"I","heading":"Experienced miner training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.26","part":"48","subchapter":"H","subpart":"B","id":"48.26","citation":"30 CFR 48.26","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 48—TRAINING AND RETRAINING OF MINERS","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Training plans; time of submission; where filed; information required; time for approval; method for disapproval; commencement of training; approval of instructors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.23","part":"48","subchapter":"H","subpart":"B","id":"48.23","citation":"30 CFR 48.23","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 48—TRAINING AND RETRAINING OF MINERS","subpartHeading":"","text":null,"occurrenceCount":1},{"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},{"chapter":"I","heading":"Scope.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.10","part":"41","subchapter":"G","subpart":"B","id":"41.10","citation":"30 CFR 41.10","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER G—FILING AND OTHER ADMINISTRATIVE REQUIREMENTS","partHeading":"PART 41—NOTIFICATION OF LEGAL IDENTITY","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2402571","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}