{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0405856","name":"Triple Pocket Mine","status":"Abandoned","status_date":"2014-10-20","mine_type":"Underground","coal_metal":"M","commodity":"Gold Ore","state":"CA","county":"Sierra","nearest_town":"Downieville","operator_id":"0125733","operator_name":"Fred Anderson","controller_id":"0106941","controller_name":"Fred H.  Anderson","district":"M7","office":"Vacaville CA Field Office","employees":0,"latitude":39.545,"longitude":-120.832778},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":80},"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":"0405856","name":"Triple Pocket Mine"},"operator":{"type":"operator","id":"0125733","name":"Fred Anderson"},"controller":{"type":"controller","id":"0106941","name":"Fred H.  Anderson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0125733","name":"Fred Anderson"},"object":{"type":"mine","id":"0405856","name":"Triple Pocket Mine"},"validFrom":"2012-10-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405856|0125733|2012-10-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0106941","name":"Fred H.  Anderson"},"object":{"type":"mine","id":"0405856","name":"Triple Pocket Mine"},"validFrom":"2012-10-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405856|0106941|2012-10-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0106941","name":"Fred H.  Anderson"},"object":{"type":"operator","id":"0125733","name":"Fred Anderson"},"validFrom":"2012-10-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"0405856","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405856|0125733|2012-10-10|0106941|2012-10-10|19001"}}],"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":"2014-10-20","lastDate":"2014-10-20","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":15,"firstDate":"2012-10-10","lastDate":"2014-06-26","metrics":{"ss":6,"delinquent":15,"recentRows":0,"paidPenalty":2303,"proposedPenalty":2403,"currentAssessment":2403},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2194595","VIOLATION_NO":"8698270","ISSUE_DT":"06/26/2014","CFR_STANDARD_CD":"57.20001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2014-06-26"},{"SOURCE_ROW_NUMBER":"653035","VIOLATION_NO":"8696183","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"57.9300(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"653034","VIOLATION_NO":"8696182","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"41.11","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"653033","VIOLATION_NO":"8696181","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"57.4533(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":"2012-10-10"},{"SOURCE_ROW_NUMBER":"653032","VIOLATION_NO":"8696180","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"57.15004","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"653031","VIOLATION_NO":"8696179","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"57.15002","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"653030","VIOLATION_NO":"8696178","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"57.18013","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"653029","VIOLATION_NO":"8696177","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"57.15030","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"653028","VIOLATION_NO":"8696176","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"48.3(a)(3)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"653027","VIOLATION_NO":"8696175","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"57.11053","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"653026","VIOLATION_NO":"8696174","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"57.8520","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"653025","VIOLATION_NO":"8696173","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"57.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"}]},{"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":"2012-10-10","lastDate":"2012-10-10","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":"2012-10-09","lastDate":"2017-08-12","metrics":{"inspectors":16,"recentRows":0,"onSiteHours":30.25,"inspectionHours":108,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"960087","EVENT_NO":"6721944","INSPECTION_BEGIN_DT":"08/12/2017","INSPECTION_END_DT":"08/16/2017","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19.25","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2017-08-12"},{"SOURCE_ROW_NUMBER":"899288","EVENT_NO":"6663397","INSPECTION_BEGIN_DT":"10/04/2016","INSPECTION_END_DT":"10/04/2016","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2016-10-04"},{"SOURCE_ROW_NUMBER":"2037","EVENT_NO":"6663411","INSPECTION_BEGIN_DT":"12/18/2014","INSPECTION_END_DT":"12/18/2014","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.25","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2014-12-18"},{"SOURCE_ROW_NUMBER":"530811","EVENT_NO":"6663213","INSPECTION_BEGIN_DT":"08/27/2014","INSPECTION_END_DT":"08/27/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2014-08-27"},{"SOURCE_ROW_NUMBER":"96280","EVENT_NO":"6595190","INSPECTION_BEGIN_DT":"06/24/2014","INSPECTION_END_DT":"06/24/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2014-06-24"},{"SOURCE_ROW_NUMBER":"262589","EVENT_NO":"6591999","INSPECTION_BEGIN_DT":"02/20/2014","INSPECTION_END_DT":"02/22/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"19.75","SUM_TOTAL_ON_SITE_HOURS":"5.25","sourceDate":"2014-02-20"},{"SOURCE_ROW_NUMBER":"181627","EVENT_NO":"1162071","INSPECTION_BEGIN_DT":"09/05/2013","INSPECTION_END_DT":"09/05/2013","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2013-09-05"},{"SOURCE_ROW_NUMBER":"86717","EVENT_NO":"1162069","INSPECTION_BEGIN_DT":"06/05/2013","INSPECTION_END_DT":"06/05/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2013-06-05"},{"SOURCE_ROW_NUMBER":"292488","EVENT_NO":"1161690","INSPECTION_BEGIN_DT":"12/21/2012","INSPECTION_END_DT":"12/21/2012","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".75","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2012-12-21"},{"SOURCE_ROW_NUMBER":"512276","EVENT_NO":"1161945","INSPECTION_BEGIN_DT":"10/09/2012","INSPECTION_END_DT":"10/10/2012","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"22","SUM_TOTAL_ON_SITE_HOURS":"6.25","sourceDate":"2012-10-09"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":30,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2015-Q1":{"hours":0,"employees":0,"production":0},"2014-Q4":{"hours":41,"employees":5,"production":0},"2014-Q3":{"hours":0,"employees":0,"production":0},"2014-Q2":{"hours":10,"employees":2,"production":0},"2014-Q1":{"hours":0,"employees":0,"production":0},"2013-Q4":{"hours":52,"employees":4,"production":0},"2013-Q3":{"hours":55,"employees":4,"production":0},"2013-Q2":{"hours":60,"employees":1,"production":0},"2013-Q1":{"hours":0,"employees":0,"production":0},"2012-Q4":{"hours":0,"employees":0,"production":0},"2012-Q3":{"hours":720,"employees":6,"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":{"2012":{"hours":720,"employees":6,"production":0},"2013":{"hours":167,"employees":4,"production":0},"2014":{"hours":51,"employees":4,"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":16,"firstDate":"2012-10-10","lastDate":"2014-06-26","metrics":{"ss":6,"amountDue":2403,"contested":0,"amountPaid":2303,"recentRows":0,"section104d":0,"unterminated":1,"proposedPenalty":2403},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"275450","VIOLATION_NO":"8698270","VIOLATION_ISSUE_DT":"06/26/2014","SIG_SUB":"N","PART_SECTION":"57.20001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/27/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2014-06-26"},{"SOURCE_ROW_NUMBER":"275449","VIOLATION_NO":"8698269","VIOLATION_ISSUE_DT":"06/26/2014","PART_SECTION":"57.4533(a)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"11/03/2014","CONTESTED_IND":"N","sourceDate":"2014-06-26"},{"SOURCE_ROW_NUMBER":"275464","VIOLATION_NO":"8696183","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"Y","PART_SECTION":"57.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/21/2014","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"275463","VIOLATION_NO":"8696182","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"N","PART_SECTION":"41.11","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/10/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"275462","VIOLATION_NO":"8696181","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"N","PART_SECTION":"57.4533(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"4","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"275461","VIOLATION_NO":"8696180","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"Y","PART_SECTION":"57.15004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/05/2013","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"275460","VIOLATION_NO":"8696179","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"Y","PART_SECTION":"57.15002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/05/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"275459","VIOLATION_NO":"8696178","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"N","PART_SECTION":"57.18013","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"4","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/05/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"275458","VIOLATION_NO":"8696177","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"N","PART_SECTION":"57.15030","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"4","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/05/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"275457","VIOLATION_NO":"8696176","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"N","PART_SECTION":"48.3(a)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/04/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"275456","VIOLATION_NO":"8696175","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"N","PART_SECTION":"57.11053","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"4","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/05/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"275455","VIOLATION_NO":"8696174","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"N","PART_SECTION":"57.8520","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"4","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/05/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-10"}]}],"safety":{"href":"/api/v1/mines/0405856/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0405856/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":"Intoxicating beverages and narcotics.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20001","part":"57","subchapter":"K","subpart":"S","id":"57.20001","citation":"30 CFR 57.20001","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Mine opening vicinity.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4533","part":"57","subchapter":"K","subpart":"C","id":"57.4533","citation":"30 CFR 57.4533","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Berms or guardrails.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-H/section-57.9300","part":"57","subchapter":"K","subpart":"H","id":"57.9300","citation":"30 CFR 57.9300","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Notification by operator.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.11","part":"41","subchapter":"G","subpart":"B","id":"41.11","citation":"30 CFR 41.11","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},{"chapter":"I","heading":"Eye protection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-N/section-57.15004","part":"57","subchapter":"K","subpart":"N","id":"57.15004","citation":"30 CFR 57.15004","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Hard hats.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-N/section-57.15002","part":"57","subchapter":"K","subpart":"N","id":"57.15002","citation":"30 CFR 57.15002","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Emergency communications system.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-Q/section-57.18013","part":"57","subchapter":"K","subpart":"Q","id":"57.18013","citation":"30 CFR 57.18013","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Provision and maintenance of self-rescue devices.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-N/section-57.15030","part":"57","subchapter":"K","subpart":"N","id":"57.15030","citation":"30 CFR 57.15030","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","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-A/section-48.3","part":"48","subchapter":"H","subpart":"A","id":"48.3","citation":"30 CFR 48.3","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":"Escape and evacuation plans.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11053","part":"57","subchapter":"K","subpart":"J","id":"57.11053","citation":"30 CFR 57.11053","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Ventilation plan.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-G/section-57.8520","part":"57","subchapter":"K","subpart":"G","id":"57.8520","citation":"30 CFR 57.8520","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"0405856","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}