{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2001431","name":"Hamilton Wash Plant","status":"Abandoned","status_date":"2016-05-20","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MI","county":"Allegan","nearest_town":"HAMILTON","operator_id":"L34001","operator_name":"Hamilton Block & Ready-Mix Company Inc","controller_id":"M34001","controller_name":"Curtis  Pieper","district":"M4","office":"Duluth District","employees":0,"latitude":42.651944,"longitude":-85.988889},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":193},"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":"2001431","name":"Hamilton Wash Plant"},"operator":{"type":"operator","id":"L34001","name":"Hamilton Block & Ready-Mix Company Inc"},"controller":{"type":"controller","id":"M34001","name":"Curtis  Pieper"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L34001","name":"Hamilton Block & Ready-Mix Company Inc"},"object":{"type":"mine","id":"2001431","name":"Hamilton Wash Plant"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2001431|L34001|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M34001","name":"Curtis  Pieper"},"object":{"type":"mine","id":"2001431","name":"Hamilton Wash Plant"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2001431|M34001|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M34001","name":"Curtis  Pieper"},"object":{"type":"operator","id":"L34001","name":"Hamilton Block & Ready-Mix Company Inc"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2001431","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2001431|L34001|1950-01-01|M34001|1950-01-01|162676"}}],"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":"2016-05-20","lastDate":"2016-05-20","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":10,"firstDate":"2004-08-25","lastDate":"2012-10-17","metrics":{"ss":1,"delinquent":10,"recentRows":0,"paidPenalty":840,"proposedPenalty":840,"currentAssessment":840},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2169951","VIOLATION_NO":"8673084","ISSUE_DT":"10/17/2012","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-17"},{"SOURCE_ROW_NUMBER":"2169950","VIOLATION_NO":"8673083","ISSUE_DT":"10/17/2012","CFR_STANDARD_CD":"46.3(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":"2012-10-17"},{"SOURCE_ROW_NUMBER":"2169949","VIOLATION_NO":"8673082","ISSUE_DT":"10/16/2012","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-16"},{"SOURCE_ROW_NUMBER":"2169948","VIOLATION_NO":"8673081","ISSUE_DT":"10/16/2012","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-16"},{"SOURCE_ROW_NUMBER":"2169062","VIOLATION_NO":"6562048","ISSUE_DT":"10/25/2011","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-10-25"},{"SOURCE_ROW_NUMBER":"2068624","VIOLATION_NO":"6503242","ISSUE_DT":"09/02/2009","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-02"},{"SOURCE_ROW_NUMBER":"342202","VIOLATION_NO":"6151195","ISSUE_DT":"08/25/2004","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"342201","VIOLATION_NO":"6151194","ISSUE_DT":"08/25/2004","CFR_STANDARD_CD":"56.14101(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"342200","VIOLATION_NO":"6151193","ISSUE_DT":"08/25/2004","CFR_STANDARD_CD":"56.4201(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"342199","VIOLATION_NO":"6151192","ISSUE_DT":"08/25/2004","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-08-25"}]},{"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":"1950-01-01","lastDate":"1950-01-01","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":21,"firstDate":"2000-08-02","lastDate":"2015-07-28","metrics":{"inspectors":23,"recentRows":0,"onSiteHours":69.75,"inspectionHours":153.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"944536","EVENT_NO":"6703660","INSPECTION_BEGIN_DT":"07/28/2015","INSPECTION_END_DT":"07/28/2015","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2015-07-28"},{"SOURCE_ROW_NUMBER":"751254","EVENT_NO":"6636856","INSPECTION_BEGIN_DT":"08/19/2014","INSPECTION_END_DT":"08/19/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.25","SUM_TOTAL_ON_SITE_HOURS":"8.5","sourceDate":"2014-08-19"},{"SOURCE_ROW_NUMBER":"1089506","EVENT_NO":"6577293","INSPECTION_BEGIN_DT":"11/29/2012","INSPECTION_END_DT":"11/29/2012","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2012-11-29"},{"SOURCE_ROW_NUMBER":"896932","EVENT_NO":"6577282","INSPECTION_BEGIN_DT":"11/05/2012","INSPECTION_END_DT":"11/05/2012","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2012-11-05"},{"SOURCE_ROW_NUMBER":"244948","EVENT_NO":"6577277","INSPECTION_BEGIN_DT":"10/16/2012","INSPECTION_END_DT":"10/17/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2012-10-16"},{"SOURCE_ROW_NUMBER":"1047008","EVENT_NO":"6576731","INSPECTION_BEGIN_DT":"10/25/2011","INSPECTION_END_DT":"10/25/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.25","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2011-10-25"},{"SOURCE_ROW_NUMBER":"1071133","EVENT_NO":"6571837","INSPECTION_BEGIN_DT":"07/11/2011","INSPECTION_END_DT":"07/11/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2011-07-11"},{"SOURCE_ROW_NUMBER":"1101620","EVENT_NO":"6571192","INSPECTION_BEGIN_DT":"05/18/2011","INSPECTION_END_DT":"05/18/2011","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.25","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2011-05-18"},{"SOURCE_ROW_NUMBER":"545993","EVENT_NO":"6571106","INSPECTION_BEGIN_DT":"06/17/2010","INSPECTION_END_DT":"06/17/2010","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2010-06-17"},{"SOURCE_ROW_NUMBER":"243800","EVENT_NO":"6515043","INSPECTION_BEGIN_DT":"11/24/2009","INSPECTION_END_DT":"11/24/2009","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2009-11-24"},{"SOURCE_ROW_NUMBER":"97002","EVENT_NO":"6515020","INSPECTION_BEGIN_DT":"09/02/2009","INSPECTION_END_DT":"09/03/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"23.5","SUM_TOTAL_ON_SITE_HOURS":"5.75","sourceDate":"2009-09-02"},{"SOURCE_ROW_NUMBER":"1090761","EVENT_NO":"0998006","INSPECTION_BEGIN_DT":"06/17/2008","INSPECTION_END_DT":"06/17/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2008-06-17"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":120,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2015-Q2":{"hours":1,"employees":1,"production":0},"2015-Q1":{"hours":1,"employees":1,"production":0},"2014-Q4":{"hours":1,"employees":1,"production":0},"2014-Q3":{"hours":3,"employees":2,"production":0},"2014-Q2":{"hours":7,"employees":2,"production":0},"2014-Q1":{"hours":1,"employees":1,"production":0},"2013-Q4":{"hours":1,"employees":1,"production":0},"2013-Q3":{"hours":24,"employees":2,"production":0},"2013-Q2":{"hours":10,"employees":2,"production":0},"2013-Q1":{"hours":1,"employees":1,"production":0},"2012-Q4":{"hours":14,"employees":2,"production":0},"2012-Q3":{"hours":23,"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":29,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2006":{"hours":101,"employees":2,"production":0},"2007":{"hours":97,"employees":2,"production":0},"2008":{"hours":182,"employees":3,"production":0},"2009":{"hours":27,"employees":2,"production":0},"2010":{"hours":4,"employees":1,"production":0},"2011":{"hours":53,"employees":2,"production":0},"2012":{"hours":42,"employees":2,"production":0},"2013":{"hours":36,"employees":2,"production":0},"2014":{"hours":12,"employees":2,"production":0},"2015":{"hours":2,"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":10,"firstDate":"2004-08-25","lastDate":"2012-10-17","metrics":{"ss":1,"amountDue":840,"contested":0,"amountPaid":840,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":840},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1307362","VIOLATION_NO":"8673084","VIOLATION_ISSUE_DT":"10/17/2012","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"12/03/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-17"},{"SOURCE_ROW_NUMBER":"1307361","VIOLATION_NO":"8673083","VIOLATION_ISSUE_DT":"10/17/2012","SIG_SUB":"N","PART_SECTION":"46.3(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"2","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/05/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-17"},{"SOURCE_ROW_NUMBER":"1307360","VIOLATION_NO":"8673082","VIOLATION_ISSUE_DT":"10/16/2012","SIG_SUB":"Y","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/29/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-16"},{"SOURCE_ROW_NUMBER":"1307359","VIOLATION_NO":"8673081","VIOLATION_ISSUE_DT":"10/16/2012","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/05/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-16"},{"SOURCE_ROW_NUMBER":"1307363","VIOLATION_NO":"6562048","VIOLATION_ISSUE_DT":"10/25/2011","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/25/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-10-25"},{"SOURCE_ROW_NUMBER":"1307358","VIOLATION_NO":"6503242","VIOLATION_ISSUE_DT":"09/02/2009","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/03/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-09-02"},{"SOURCE_ROW_NUMBER":"1307357","VIOLATION_NO":"6151195","VIOLATION_ISSUE_DT":"08/25/2004","SIG_SUB":"N","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/01/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"1307356","VIOLATION_NO":"6151194","VIOLATION_ISSUE_DT":"08/25/2004","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/25/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"1307355","VIOLATION_NO":"6151193","VIOLATION_ISSUE_DT":"08/25/2004","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":"09/01/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"1307354","VIOLATION_NO":"6151192","VIOLATION_ISSUE_DT":"08/25/2004","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/25/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-08-25"}]}],"safety":{"href":"/api/v1/mines/2001431/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2001431/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":"Testing grounding systems.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028","part":"56","subchapter":"K","subpart":"K","id":"56.12028","citation":"30 CFR 56.12028","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":"Training plans.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3","part":"46","subchapter":"H","subpart":"","id":"46.3","citation":"30 CFR 46.3","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 46—TRAINING AND RETRAINING OF MINERS ENGAGED IN SHELL DREDGING OR EMPLOYED AT SAND, GRAVEL, SURFACE STONE, SURFACE CLAY, COLLOIDAL PHOSPHATE, OR SURFACE LIMESTONE MINES.","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Handrails and toeboards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002","part":"56","subchapter":"K","subpart":"J","id":"56.11002","citation":"30 CFR 56.11002","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":"Inspection and cover plates.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032","part":"56","subchapter":"K","subpart":"K","id":"56.12032","citation":"30 CFR 56.12032","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":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","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":"Brakes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101","part":"56","subchapter":"K","subpart":"M","id":"56.14101","citation":"30 CFR 56.14101","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":"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":"Insulation and fittings for power wires and cables.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008","part":"56","subchapter":"K","subpart":"K","id":"56.12008","citation":"30 CFR 56.12008","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":"2001431","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}