{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2402426","name":"3 Rivers Aggregate LLC","status":"Abandoned","status_date":"2008-04-01","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MT","county":"Gallatin","nearest_town":"Three Forks","operator_id":"0065146","operator_name":"Three Rivers Aggregate LLC","controller_id":"0054595","controller_name":"Kevin L  Pierce","district":"M6","office":"Helena MT Field Office","employees":0,"latitude":45.896314,"longitude":-111.534731},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":49},"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":"2402426","name":"3 Rivers Aggregate LLC"},"operator":{"type":"operator","id":"0065146","name":"Three Rivers Aggregate LLC"},"controller":{"type":"controller","id":"0054595","name":"Kevin L  Pierce"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0065146","name":"Three Rivers Aggregate LLC"},"object":{"type":"mine","id":"2402426","name":"3 Rivers Aggregate LLC"},"validFrom":"2005-10-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402426|0065146|2005-10-21|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0054595","name":"Kevin L  Pierce"},"object":{"type":"mine","id":"2402426","name":"3 Rivers Aggregate LLC"},"validFrom":"2005-10-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402426|0054595|2005-10-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0054595","name":"Kevin L  Pierce"},"object":{"type":"operator","id":"0065146","name":"Three Rivers Aggregate LLC"},"validFrom":"2005-10-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"2402426","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402426|0065146|2005-10-21|0054595|2005-10-21|6996"}}],"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":"2008-04-01","lastDate":"2008-04-01","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":9,"firstDate":"2006-06-08","lastDate":"2007-09-06","metrics":{"ss":1,"delinquent":9,"recentRows":0,"paidPenalty":784,"proposedPenalty":844,"currentAssessment":844},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"497694","VIOLATION_NO":"6325181","ISSUE_DT":"09/06/2007","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":"2007-09-06"},{"SOURCE_ROW_NUMBER":"497693","VIOLATION_NO":"6325180","ISSUE_DT":"09/06/2007","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":"2007-09-06"},{"SOURCE_ROW_NUMBER":"497692","VIOLATION_NO":"6325178","ISSUE_DT":"09/06/2007","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":"2007-09-06"},{"SOURCE_ROW_NUMBER":"497691","VIOLATION_NO":"6325177","ISSUE_DT":"09/06/2007","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":"2007-09-06"},{"SOURCE_ROW_NUMBER":"497690","VIOLATION_NO":"6325176","ISSUE_DT":"09/06/2007","CFR_STANDARD_CD":"56.14107(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":"2007-09-06"},{"SOURCE_ROW_NUMBER":"497689","VIOLATION_NO":"6325175","ISSUE_DT":"09/06/2007","CFR_STANDARD_CD":"56.14107(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":"2007-09-06"},{"SOURCE_ROW_NUMBER":"497235","VIOLATION_NO":"6323609","ISSUE_DT":"06/08/2006","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-06-08"},{"SOURCE_ROW_NUMBER":"497234","VIOLATION_NO":"6323608","ISSUE_DT":"06/08/2006","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-06-08"},{"SOURCE_ROW_NUMBER":"497233","VIOLATION_NO":"6323607","ISSUE_DT":"06/08/2006","CFR_STANDARD_CD":"56.14130(a)(6)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"124.00","CURRENT_ASSESSMENT_AMT":"124.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-06-08"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":5,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"notMineAttributable":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":1,"firstDate":"2005-10-21","lastDate":"2005-10-21","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":"2006-06-08","lastDate":"2007-09-05","metrics":{"inspectors":3,"recentRows":0,"onSiteHours":17.75,"inspectionHours":35.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"430703","EVENT_NO":"1090335","INSPECTION_BEGIN_DT":"09/05/2007","INSPECTION_END_DT":"09/07/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18.25","SUM_TOTAL_ON_SITE_HOURS":"9.5","sourceDate":"2007-09-05"},{"SOURCE_ROW_NUMBER":"35991","EVENT_NO":"1090166","INSPECTION_BEGIN_DT":"07/11/2006","INSPECTION_END_DT":"07/11/2006","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.75","SUM_TOTAL_ON_SITE_HOURS":"1.25","sourceDate":"2006-07-11"},{"SOURCE_ROW_NUMBER":"452591","EVENT_NO":"1090162","INSPECTION_BEGIN_DT":"06/08/2006","INSPECTION_END_DT":"06/15/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12.75","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2006-06-08"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":15,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2008-Q1":{"hours":1,"employees":1,"production":0},"2007-Q4":{"hours":201,"employees":3,"production":0},"2007-Q3":{"hours":721,"employees":3,"production":0},"2007-Q2":{"hours":0,"employees":0,"production":0},"2007-Q1":{"hours":0,"employees":0,"production":0},"2006-Q3":{"hours":1116,"employees":2,"production":0},"2006-Q2":{"hours":950,"employees":2,"production":0},"2005-Q4":{"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":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2006":{"hours":2066,"employees":2,"production":0},"2007":{"hours":922,"employees":3,"production":0},"2008":{"hours":1,"employees":1,"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":9,"firstDate":"2006-06-08","lastDate":"2007-09-06","metrics":{"ss":1,"amountDue":844,"contested":0,"amountPaid":784,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":844},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1484732","VIOLATION_NO":"6325181","VIOLATION_ISSUE_DT":"09/06/2007","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/06/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-09-06"},{"SOURCE_ROW_NUMBER":"1484731","VIOLATION_NO":"6325180","VIOLATION_ISSUE_DT":"09/06/2007","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/06/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-09-06"},{"SOURCE_ROW_NUMBER":"1484730","VIOLATION_NO":"6325178","VIOLATION_ISSUE_DT":"09/06/2007","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/06/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-09-06"},{"SOURCE_ROW_NUMBER":"1484729","VIOLATION_NO":"6325177","VIOLATION_ISSUE_DT":"09/06/2007","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/06/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-09-06"},{"SOURCE_ROW_NUMBER":"1484728","VIOLATION_NO":"6325176","VIOLATION_ISSUE_DT":"09/06/2007","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/07/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-09-06"},{"SOURCE_ROW_NUMBER":"1484727","VIOLATION_NO":"6325175","VIOLATION_ISSUE_DT":"09/06/2007","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/07/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-09-06"},{"SOURCE_ROW_NUMBER":"1484726","VIOLATION_NO":"6323609","VIOLATION_ISSUE_DT":"06/08/2006","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/11/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-06-08"},{"SOURCE_ROW_NUMBER":"1484725","VIOLATION_NO":"6323608","VIOLATION_ISSUE_DT":"06/08/2006","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/12/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2006-06-08"},{"SOURCE_ROW_NUMBER":"1484724","VIOLATION_NO":"6323607","VIOLATION_ISSUE_DT":"06/08/2006","SIG_SUB":"Y","PART_SECTION":"56.14130(a)(6)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/12/2006","PROPOSED_PENALTY":"124","AMOUNT_DUE":"124","AMOUNT_PAID":"124","CONTESTED_IND":"N","sourceDate":"2006-06-08"}]}],"safety":{"href":"/api/v1/mines/2402426/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2402426/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":3},{"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":"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":4},{"chapter":"I","heading":"Roll-over protective structures (ROPS) and seat belts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130","part":"56","subchapter":"K","subpart":"M","id":"56.14130","citation":"30 CFR 56.14130","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":"2402426","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}