{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"2602394","name":"Portable Wash Plant #1","status":"Abandoned","status_date":"2003-02-20","mine_type":"Facility","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"NV","county":"Clark","nearest_town":"Bunkerville","operator_id":"0051322","operator_name":"Western Rock Products","controller_id":"M06183","controller_name":"CRH PLC","district":"M7","office":"Henderson NV Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":63},"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":"2026-10-17T05:35:58.500035+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":"2602394","name":"Portable Wash Plant #1"},"operator":{"type":"operator","id":"0051322","name":"Western Rock Products"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10624","name":"U S Aggregate Inc"},"object":{"type":"mine","id":"2602394","name":"Portable Wash Plant #1"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2602394|M10624|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02924","name":"Western Rock Products Inc"},"object":{"type":"mine","id":"2602394","name":"Portable Wash Plant #1"},"validFrom":"1999-09-01","validTo":"2002-05-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2602394|L02924|1999-09-01|2002-05-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10624","name":"U S Aggregate Inc"},"object":{"type":"operator","id":"L02924","name":"Western Rock Products Inc"},"validFrom":"1999-09-01","validTo":"2002-05-28","current":false,"derived":true,"evidenceMineId":"2602394","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2602394|L02924|1999-09-01|M10624|1950-01-01|149651"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051322","name":"Western Rock Products"},"object":{"type":"mine","id":"2602394","name":"Portable Wash Plant #1"},"validFrom":"2002-05-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2602394|0051322|2002-05-29|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"2602394","name":"Portable Wash Plant #1"},"validFrom":"2002-05-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2602394|M06183|2002-05-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"0051322","name":"Western Rock Products"},"validFrom":"2002-05-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"2602394","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2602394|0051322|2002-05-29|M06183|2002-05-29|137012"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":"2003-02-20","lastDate":"2003-02-20","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":19,"firstDate":"2000-08-24","lastDate":"2003-02-14","metrics":{"ss":3,"delinquent":19,"recentRows":0,"paidPenalty":1418,"proposedPenalty":1418,"currentAssessment":1418},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"472214","VIOLATION_NO":"6285153","ISSUE_DT":"02/14/2003","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-02-14"},{"SOURCE_ROW_NUMBER":"134686","VIOLATION_NO":"6282394","ISSUE_DT":"04/11/2001","CFR_STANDARD_CD":"56.18002","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"294.00","CURRENT_ASSESSMENT_AMT":"294.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"134685","VIOLATION_NO":"6282393","ISSUE_DT":"04/11/2001","CFR_STANDARD_CD":"56.14112(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"134684","VIOLATION_NO":"6282392","ISSUE_DT":"04/11/2001","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":"2001-04-11"},{"SOURCE_ROW_NUMBER":"134683","VIOLATION_NO":"6282391","ISSUE_DT":"04/11/2001","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":"2001-04-11"},{"SOURCE_ROW_NUMBER":"134682","VIOLATION_NO":"6282390","ISSUE_DT":"04/11/2001","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"134681","VIOLATION_NO":"6282389","ISSUE_DT":"04/11/2001","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"134680","VIOLATION_NO":"6282388","ISSUE_DT":"04/11/2001","CFR_STANDARD_CD":"56.14132(b)(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":"2001-04-11"},{"SOURCE_ROW_NUMBER":"134679","VIOLATION_NO":"6282387","ISSUE_DT":"04/11/2001","CFR_STANDARD_CD":"56.4230(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":"2001-04-11"},{"SOURCE_ROW_NUMBER":"134678","VIOLATION_NO":"6282386","ISSUE_DT":"04/11/2001","CFR_STANDARD_CD":"56.14101(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":"2001-04-11"},{"SOURCE_ROW_NUMBER":"134677","VIOLATION_NO":"6282385","ISSUE_DT":"04/11/2001","CFR_STANDARD_CD":"56.4203","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"12918","VIOLATION_NO":"7984351","ISSUE_DT":"08/25/2000","CFR_STANDARD_CD":"50.30","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-08-25"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":2,"firstDate":"2001-05-02","lastDate":"2001-05-02","metrics":{"linkedIssuances":2},"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":2,"firstDate":"1999-09-01","lastDate":"2002-05-29","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":5,"firstDate":"2000-08-24","lastDate":"2003-02-11","metrics":{"inspectors":7,"recentRows":0,"onSiteHours":49,"inspectionHours":76,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"409672","EVENT_NO":"1074681","INSPECTION_BEGIN_DT":"02/11/2003","INSPECTION_END_DT":"02/14/2003","ACTIVITY_CODE":"10","ACTIVITY":"ATTEMPTED INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2003-02-11"},{"SOURCE_ROW_NUMBER":"774574","EVENT_NO":"0799530","INSPECTION_BEGIN_DT":"08/08/2001","INSPECTION_END_DT":"08/08/2001","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2001-08-08"},{"SOURCE_ROW_NUMBER":"531584","EVENT_NO":"0799341","INSPECTION_BEGIN_DT":"04/11/2001","INSPECTION_END_DT":"04/12/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"41","SUM_TOTAL_ON_SITE_HOURS":"28","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"316832","EVENT_NO":"0466214","INSPECTION_BEGIN_DT":"09/05/2000","INSPECTION_END_DT":"09/05/2000","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2000-09-05"},{"SOURCE_ROW_NUMBER":"47954","EVENT_NO":"0466210","INSPECTION_BEGIN_DT":"08/24/2000","INSPECTION_END_DT":"08/29/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"21","SUM_TOTAL_ON_SITE_HOURS":"15","sourceDate":"2000-08-24"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":12,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q4":{"hours":0,"employees":0,"production":0},"2002-Q3":{"hours":0,"employees":0,"production":0},"2002-Q2":{"hours":0,"employees":0,"production":0},"2002-Q1":{"hours":0,"employees":0,"production":0},"2001-Q4":{"hours":0,"employees":0,"production":0},"2001-Q3":{"hours":0,"employees":0,"production":0},"2001-Q2":{"hours":160,"employees":2,"production":0},"2001-Q1":{"hours":40,"employees":2,"production":0},"2000-Q4":{"hours":360,"employees":2,"production":0},"2000-Q3":{"hours":1076,"employees":2,"production":0},"2000-Q2":{"hours":818,"employees":2,"production":0},"2000-Q1":{"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":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":2254,"employees":2,"production":0},"2001":{"hours":200,"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":19,"firstDate":"2000-08-24","lastDate":"2003-02-14","metrics":{"ss":3,"amountDue":1418,"contested":0,"amountPaid":1418,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":1418},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1548318","VIOLATION_NO":"6285153","VIOLATION_ISSUE_DT":"02/14/2003","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/14/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-02-14"},{"SOURCE_ROW_NUMBER":"1548328","VIOLATION_NO":"6282394","VIOLATION_ISSUE_DT":"04/11/2001","SIG_SUB":"Y","PART_SECTION":"56.18002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/16/2001","PROPOSED_PENALTY":"294","AMOUNT_DUE":"294","AMOUNT_PAID":"294","CONTESTED_IND":"N","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"1548327","VIOLATION_NO":"6282393","VIOLATION_ISSUE_DT":"04/11/2001","SIG_SUB":"N","PART_SECTION":"56.14112(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/16/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"1548326","VIOLATION_NO":"6282392","VIOLATION_ISSUE_DT":"04/11/2001","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/16/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"1548325","VIOLATION_NO":"6282391","VIOLATION_ISSUE_DT":"04/11/2001","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/16/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"1548324","VIOLATION_NO":"6282390","VIOLATION_ISSUE_DT":"04/11/2001","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/16/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"1548323","VIOLATION_NO":"6282389","VIOLATION_ISSUE_DT":"04/11/2001","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/16/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"1548322","VIOLATION_NO":"6282388","VIOLATION_ISSUE_DT":"04/11/2001","SIG_SUB":"N","PART_SECTION":"56.14132(b)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"1548321","VIOLATION_NO":"6282387","VIOLATION_ISSUE_DT":"04/11/2001","SIG_SUB":"N","PART_SECTION":"56.4230(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"1548320","VIOLATION_NO":"6282386","VIOLATION_ISSUE_DT":"04/11/2001","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":"08/08/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"1548319","VIOLATION_NO":"6282385","VIOLATION_ISSUE_DT":"04/11/2001","SIG_SUB":"N","PART_SECTION":"56.4203","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-11"},{"SOURCE_ROW_NUMBER":"1548336","VIOLATION_NO":"7984351","VIOLATION_ISSUE_DT":"08/25/2000","SIG_SUB":"N","SECTION_OF_ACT":"103(h)","PART_SECTION":"50.30","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/05/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-08-25"}]}],"safety":{"href":"/api/v1/mines/2602394/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2602394/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":"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":"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":"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},{"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":"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":"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":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},{"chapter":"I","heading":"Self-propelled equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4230","part":"56","subchapter":"K","subpart":"C","id":"56.4230","citation":"30 CFR 56.4230","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":"Extinguisher recharging or replacement.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4203","part":"56","subchapter":"K","subpart":"C","id":"56.4203","citation":"30 CFR 56.4203","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":"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":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2602394","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}