{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2402428","name":"Backus","status":"Abandoned","status_date":"2014-09-02","mine_type":"Surface","coal_metal":"M","commodity":"Dimension Sandstone","state":"MT","county":"Lincoln","nearest_town":"Libby","operator_id":"0066003","operator_name":"RPO Stone Inc","controller_id":"0040823","controller_name":"Robert P  Orr","district":"M6","office":"Helena MT Field Office","employees":0,"latitude":48.388333,"longitude":-115.556111},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":98},"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":"2402428","name":"Backus"},"operator":{"type":"operator","id":"0066003","name":"RPO Stone Inc"},"controller":{"type":"controller","id":"0040823","name":"Robert P  Orr"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0066003","name":"RPO Stone Inc"},"object":{"type":"mine","id":"2402428","name":"Backus"},"validFrom":"2005-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402428|0066003|2005-11-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0040823","name":"Robert P  Orr"},"object":{"type":"mine","id":"2402428","name":"Backus"},"validFrom":"2005-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402428|0040823|2005-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0040823","name":"Robert P  Orr"},"object":{"type":"operator","id":"0066003","name":"RPO Stone Inc"},"validFrom":"2005-11-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2402428","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402428|0066003|2005-11-01|0040823|2005-11-01|731"}}],"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":"2014-09-02","lastDate":"2014-09-02","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":2,"firstDate":"2005-11-16","lastDate":"2010-08-03","metrics":{"ss":0,"delinquent":2,"recentRows":0,"paidPenalty":160,"proposedPenalty":160,"currentAssessment":160},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"528385","VIOLATION_NO":"6451181","ISSUE_DT":"08/03/2010","CFR_STANDARD_CD":"56.18002(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-08-03"},{"SOURCE_ROW_NUMBER":"495516","VIOLATION_NO":"6322357","ISSUE_DT":"11/16/2005","CFR_STANDARD_CD":"56.14132(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":"2005-11-16"}]},{"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":"2005-11-01","lastDate":"2005-11-01","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":10,"firstDate":"2005-11-16","lastDate":"2013-09-10","metrics":{"inspectors":11,"recentRows":0,"onSiteHours":29,"inspectionHours":99.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"708211","EVENT_NO":"6557454","INSPECTION_BEGIN_DT":"09/10/2013","INSPECTION_END_DT":"09/11/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2013-09-10"},{"SOURCE_ROW_NUMBER":"939754","EVENT_NO":"6557393","INSPECTION_BEGIN_DT":"06/19/2013","INSPECTION_END_DT":"06/20/2013","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2013-06-19"},{"SOURCE_ROW_NUMBER":"530094","EVENT_NO":"6557264","INSPECTION_BEGIN_DT":"07/09/2012","INSPECTION_END_DT":"07/11/2012","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.75","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2012-07-09"},{"SOURCE_ROW_NUMBER":"1161","EVENT_NO":"6614042","INSPECTION_BEGIN_DT":"03/27/2012","INSPECTION_END_DT":"03/27/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2012-03-27"},{"SOURCE_ROW_NUMBER":"775553","EVENT_NO":"1107062","INSPECTION_BEGIN_DT":"08/02/2010","INSPECTION_END_DT":"08/03/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2010-08-02"},{"SOURCE_ROW_NUMBER":"411228","EVENT_NO":"1105858","INSPECTION_BEGIN_DT":"07/09/2009","INSPECTION_END_DT":"07/09/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13.25","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2009-07-09"},{"SOURCE_ROW_NUMBER":"960772","EVENT_NO":"1105655","INSPECTION_BEGIN_DT":"07/15/2008","INSPECTION_END_DT":"07/15/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2008-07-15"},{"SOURCE_ROW_NUMBER":"704835","EVENT_NO":"1090285","INSPECTION_BEGIN_DT":"10/11/2006","INSPECTION_END_DT":"10/12/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"1.25","sourceDate":"2006-10-11"},{"SOURCE_ROW_NUMBER":"440540","EVENT_NO":"1089225","INSPECTION_BEGIN_DT":"01/25/2006","INSPECTION_END_DT":"01/25/2006","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2006-01-25"},{"SOURCE_ROW_NUMBER":"379572","EVENT_NO":"1089218","INSPECTION_BEGIN_DT":"11/16/2005","INSPECTION_END_DT":"11/17/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2005-11-16"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":68,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2014-Q3":{"hours":0,"employees":0,"production":0},"2014-Q2":{"hours":0,"employees":0,"production":0},"2014-Q1":{"hours":0,"employees":0,"production":0},"2013-Q3":{"hours":267,"employees":2,"production":0},"2013-Q2":{"hours":508,"employees":3,"production":0},"2013-Q1":{"hours":482,"employees":2,"production":0},"2012-Q4":{"hours":36,"employees":2,"production":0},"2012-Q3":{"hours":252,"employees":2,"production":0},"2012-Q2":{"hours":697,"employees":5,"production":0},"2012-Q1":{"hours":108,"employees":2,"production":0},"2011-Q4":{"hours":80,"employees":2,"production":0},"2011-Q3":{"hours":465,"employees":4,"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":13,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2005":{"hours":1487,"employees":4,"production":0},"2006":{"hours":5319,"employees":5,"production":0},"2007":{"hours":4795,"employees":5,"production":0},"2008":{"hours":4879,"employees":5,"production":0},"2009":{"hours":111,"employees":3,"production":0},"2010":{"hours":934,"employees":3,"production":0},"2011":{"hours":545,"employees":3,"production":0},"2012":{"hours":1093,"employees":3,"production":0},"2013":{"hours":1257,"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":2,"firstDate":"2005-11-16","lastDate":"2010-08-03","metrics":{"ss":0,"amountDue":160,"contested":0,"amountPaid":160,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":160},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1484735","VIOLATION_NO":"6451181","VIOLATION_ISSUE_DT":"08/03/2010","SIG_SUB":"N","PART_SECTION":"56.18002(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/05/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-08-03"},{"SOURCE_ROW_NUMBER":"1484736","VIOLATION_NO":"6322357","VIOLATION_ISSUE_DT":"11/16/2005","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/25/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-11-16"}]}],"safety":{"href":"/api/v1/mines/2402428/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2402428/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":"Examination of working places.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002","part":"56","subchapter":"K","subpart":"Q","id":"56.18002","citation":"30 CFR 56.18002","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":"Horns and backup alarms.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132","part":"56","subchapter":"K","subpart":"M","id":"56.14132","citation":"30 CFR 56.14132","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":"2402428","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}