{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2401797","name":"N & R BUNN CRUSHER","status":"Abandoned","status_date":"2002-04-22","mine_type":"Facility","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MT","county":"Fergus","nearest_town":"Lewistown","operator_id":"L11640","operator_name":"Nancy & Roy Bunn","controller_id":"M08996","controller_name":"Nancy  Bunn; Roy  Bunn","district":"M6","office":"Helena MT Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":40},"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":"2401797","name":"N & R BUNN CRUSHER"},"operator":{"type":"operator","id":"L11640","name":"Nancy & Roy Bunn"},"controller":{"type":"controller","id":"M08996","name":"Nancy  Bunn; Roy  Bunn"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11639","name":"Herbert Tindall Construction"},"object":{"type":"mine","id":"2401797","name":"N & R BUNN CRUSHER"},"validFrom":"1985-08-01","validTo":"1990-04-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2401797|L11639|1985-08-01|1990-04-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08995","name":"Herbert B  Tindall"},"object":{"type":"mine","id":"2401797","name":"N & R BUNN CRUSHER"},"validFrom":"1985-08-01","validTo":"1990-04-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2401797|M08995|1985-08-01|1990-04-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08995","name":"Herbert B  Tindall"},"object":{"type":"operator","id":"L11639","name":"Herbert Tindall Construction"},"validFrom":"1985-08-01","validTo":"1990-04-01","current":false,"derived":true,"evidenceMineId":"2401797","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2401797|L11639|1985-08-01|M08995|1985-08-01|144848"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11640","name":"Nancy & Roy Bunn"},"object":{"type":"mine","id":"2401797","name":"N & R BUNN CRUSHER"},"validFrom":"1990-04-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2401797|L11640|1990-04-02|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08996","name":"Nancy  Bunn  et al"},"object":{"type":"mine","id":"2401797","name":"N & R BUNN CRUSHER"},"validFrom":"1990-04-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2401797|M08996|1990-04-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08996","name":"Nancy  Bunn  et al"},"object":{"type":"operator","id":"L11640","name":"Nancy & Roy Bunn"},"validFrom":"1990-04-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"2401797","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2401797|L11640|1990-04-02|M08996|1990-04-02|144849"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08996","name":"Roy  Bunn  et al"},"object":{"type":"operator","id":"L11640","name":"Nancy & Roy Bunn"},"validFrom":"1990-04-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"2401797","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2401797|L11640|1990-04-02|M08996|1990-04-02|144850"}}],"coverage":{"historyRecords":3,"edgeCount":7,"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":"2002-04-22","lastDate":"2002-04-22","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":4,"firstDate":"2001-09-04","lastDate":"2001-09-04","metrics":{"ss":0,"delinquent":4,"recentRows":0,"paidPenalty":220,"proposedPenalty":220,"currentAssessment":220},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"50153","VIOLATION_NO":"6268073","ISSUE_DT":"09/04/2001","CFR_STANDARD_CD":"56.4201(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-09-04"},{"SOURCE_ROW_NUMBER":"50152","VIOLATION_NO":"6268072","ISSUE_DT":"09/04/2001","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-09-04"},{"SOURCE_ROW_NUMBER":"50151","VIOLATION_NO":"6268071","ISSUE_DT":"09/04/2001","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-09-04"},{"SOURCE_ROW_NUMBER":"50150","VIOLATION_NO":"6268070","ISSUE_DT":"09/04/2001","CFR_STANDARD_CD":"56.14112(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-09-04"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":3,"firstDate":"1985-08-01","lastDate":"1990-04-02","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":3,"firstDate":"2000-09-19","lastDate":"2001-11-01","metrics":{"inspectors":3,"recentRows":0,"onSiteHours":17,"inspectionHours":30,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"903231","EVENT_NO":"0772310","INSPECTION_BEGIN_DT":"11/01/2001","INSPECTION_END_DT":"11/01/2001","ACTIVITY_CODE":"10","ACTIVITY":"ATTEMPTED INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2001-11-01"},{"SOURCE_ROW_NUMBER":"599275","EVENT_NO":"0659549","INSPECTION_BEGIN_DT":"09/04/2001","INSPECTION_END_DT":"09/04/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2001-09-04"},{"SOURCE_ROW_NUMBER":"365393","EVENT_NO":"0659566","INSPECTION_BEGIN_DT":"09/19/2000","INSPECTION_END_DT":"09/19/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2000-09-19"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":18,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q1":{"hours":32,"employees":2,"production":0},"2001-Q4":{"hours":101,"employees":2,"production":0},"2001-Q3":{"hours":453,"employees":2,"production":0},"2001-Q2":{"hours":99,"employees":2,"production":0},"2001-Q1":{"hours":145,"employees":2,"production":0},"2000-Q4":{"hours":322,"employees":2,"production":0},"2000-Q3":{"hours":178,"employees":2,"production":0},"2000-Q2":{"hours":516,"employees":2,"production":0},"2000-Q1":{"hours":300,"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":6,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":1316,"employees":2,"production":0},"2001":{"hours":798,"employees":2,"production":0},"2002":{"hours":32,"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":4,"firstDate":"2001-09-04","lastDate":"2001-09-04","metrics":{"ss":0,"amountDue":220,"contested":0,"amountPaid":220,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":220},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1470011","VIOLATION_NO":"6268073","VIOLATION_ISSUE_DT":"09/04/2001","SIG_SUB":"N","PART_SECTION":"56.4201(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/01/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-09-04"},{"SOURCE_ROW_NUMBER":"1470010","VIOLATION_NO":"6268072","VIOLATION_ISSUE_DT":"09/04/2001","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/01/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-09-04"},{"SOURCE_ROW_NUMBER":"1470009","VIOLATION_NO":"6268071","VIOLATION_ISSUE_DT":"09/04/2001","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/01/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-09-04"},{"SOURCE_ROW_NUMBER":"1470008","VIOLATION_NO":"6268070","VIOLATION_ISSUE_DT":"09/04/2001","SIG_SUB":"N","PART_SECTION":"56.14112(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/01/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-09-04"}]}],"safety":{"href":"/api/v1/mines/2401797/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2401797/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":"Inspection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201","part":"56","subchapter":"K","subpart":"C","id":"56.4201","citation":"30 CFR 56.4201","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":2},{"chapter":"I","heading":"Construction and maintenance of guards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112","part":"56","subchapter":"K","subpart":"M","id":"56.14112","citation":"30 CFR 56.14112","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":"2401797","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}