{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2103090","name":"Johnson Portable","status":"Abandoned","status_date":"2006-05-08","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Le Sueur","nearest_town":"LeSueur","operator_id":"L13858","operator_name":"Johnson Aggregates Incorporated","controller_id":"0170360","controller_name":"Wayne  Johnson; Sara  Becker; John  Becker","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":89},"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":"2103090","name":"Johnson Portable"},"operator":{"type":"operator","id":"L13858","name":"Johnson Aggregates Incorporated"},"controller":{"type":"controller","id":"0170360","name":"Wayne  Johnson; Sara  Becker; John  Becker"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10589","name":"Wayne F  Johnson"},"object":{"type":"mine","id":"2103090","name":"Johnson Portable"},"validFrom":"1950-01-01","validTo":"2017-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103090|M10589|1950-01-01|2017-12-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13858","name":"Johnson Aggregates Incorporated"},"object":{"type":"mine","id":"2103090","name":"Johnson Portable"},"validFrom":"1994-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103090|L13858|1994-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10589","name":"Wayne F  Johnson"},"object":{"type":"operator","id":"L13858","name":"Johnson Aggregates Incorporated"},"validFrom":"1994-11-01","validTo":"2017-12-31","current":false,"derived":true,"evidenceMineId":"2103090","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103090|L13858|1994-11-01|M10589|1950-01-01|149548"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0142461","name":"Jack  Spear et al"},"object":{"type":"mine","id":"2103090","name":"Johnson Portable"},"validFrom":"2018-01-01","validTo":"2022-07-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103090|0142461|2018-01-01|2022-07-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0142461","name":"Jack  Spear et al"},"object":{"type":"operator","id":"L13858","name":"Johnson Aggregates Incorporated"},"validFrom":"2018-01-01","validTo":"2022-07-10","current":false,"derived":true,"evidenceMineId":"2103090","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103090|L13858|1994-11-01|0142461|2018-01-01|28787"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0142461","name":"John  Becker et al"},"object":{"type":"operator","id":"L13858","name":"Johnson Aggregates Incorporated"},"validFrom":"2018-01-01","validTo":"2022-07-10","current":false,"derived":true,"evidenceMineId":"2103090","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103090|L13858|1994-11-01|0142461|2018-01-01|28788"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0170360","name":"Wayne  Johnson et al"},"object":{"type":"mine","id":"2103090","name":"Johnson Portable"},"validFrom":"2022-07-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103090|0170360|2022-07-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0170360","name":"Wayne  Johnson et al"},"object":{"type":"operator","id":"L13858","name":"Johnson Aggregates Incorporated"},"validFrom":"2022-07-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103090","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103090|L13858|1994-11-01|0170360|2022-07-11|36089"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0170360","name":"Sara  Becker et al"},"object":{"type":"operator","id":"L13858","name":"Johnson Aggregates Incorporated"},"validFrom":"2022-07-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103090","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103090|L13858|1994-11-01|0170360|2022-07-11|36090"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0170360","name":"John  Becker et al"},"object":{"type":"operator","id":"L13858","name":"Johnson Aggregates Incorporated"},"validFrom":"2022-07-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103090","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103090|L13858|1994-11-01|0170360|2022-07-11|36091"}}],"coverage":{"historyRecords":6,"edgeCount":10,"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":"2006-05-08","lastDate":"2006-05-08","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":"2001-06-12","lastDate":"2005-10-12","metrics":{"ss":0,"delinquent":3,"recentRows":0,"paidPenalty":225,"proposedPenalty":225,"currentAssessment":225},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"352795","VIOLATION_NO":"6165822","ISSUE_DT":"10/12/2005","CFR_STANDARD_CD":"56.9301","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-10-12"},{"SOURCE_ROW_NUMBER":"148560","VIOLATION_NO":"7837950","ISSUE_DT":"06/12/2001","CFR_STANDARD_CD":"56.14100(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":"2001-06-12"},{"SOURCE_ROW_NUMBER":"148559","VIOLATION_NO":"7837949","ISSUE_DT":"06/12/2001","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-06-12"},{"SOURCE_ROW_NUMBER":"148558","VIOLATION_NO":"7837948","ISSUE_DT":"06/12/2001","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":"2001-06-12"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":6,"firstDate":"1994-11-01","lastDate":"1994-11-01","metrics":{"recentRows":0,"currentOperatorTenures":6,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":11,"firstDate":"2000-04-25","lastDate":"2006-03-30","metrics":{"inspectors":12,"recentRows":0,"onSiteHours":76,"inspectionHours":130.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"938922","EVENT_NO":"0991978","INSPECTION_BEGIN_DT":"03/30/2006","INSPECTION_END_DT":"03/30/2006","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.25","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2006-03-30"},{"SOURCE_ROW_NUMBER":"548972","EVENT_NO":"0991651","INSPECTION_BEGIN_DT":"10/12/2005","INSPECTION_END_DT":"10/12/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2005-10-12"},{"SOURCE_ROW_NUMBER":"398385","EVENT_NO":"0978355","INSPECTION_BEGIN_DT":"02/15/2005","INSPECTION_END_DT":"02/15/2005","ACTIVITY_CODE":"16","ACTIVITY":"PART 50 AUDIT","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2005-02-15"},{"SOURCE_ROW_NUMBER":"172792","EVENT_NO":"0978190","INSPECTION_BEGIN_DT":"08/25/2004","INSPECTION_END_DT":"08/25/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"34","SUM_TOTAL_ON_SITE_HOURS":"20","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"48822","EVENT_NO":"0968638","INSPECTION_BEGIN_DT":"08/25/2004","INSPECTION_END_DT":"08/25/2004","ACTIVITY_CODE":"82","ACTIVITY":"AT MINE TRAINING ACTIVITIES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"561463","EVENT_NO":"0969549","INSPECTION_BEGIN_DT":"06/24/2003","INSPECTION_END_DT":"06/24/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2003-06-24"},{"SOURCE_ROW_NUMBER":"476163","EVENT_NO":"0969463","INSPECTION_BEGIN_DT":"10/22/2002","INSPECTION_END_DT":"10/22/2002","ACTIVITY_CODE":"46","ACTIVITY":"SPECIAL ENFORCEMENT 4","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2002-10-22"},{"SOURCE_ROW_NUMBER":"557539","EVENT_NO":"0969019","INSPECTION_BEGIN_DT":"07/15/2002","INSPECTION_END_DT":"07/16/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19","SUM_TOTAL_ON_SITE_HOURS":"14","sourceDate":"2002-07-15"},{"SOURCE_ROW_NUMBER":"577952","EVENT_NO":"0763006","INSPECTION_BEGIN_DT":"09/25/2001","INSPECTION_END_DT":"09/25/2001","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2001-09-25"},{"SOURCE_ROW_NUMBER":"346239","EVENT_NO":"0813454","INSPECTION_BEGIN_DT":"06/12/2001","INSPECTION_END_DT":"06/13/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2001-06-12"},{"SOURCE_ROW_NUMBER":"701709","EVENT_NO":"0722624","INSPECTION_BEGIN_DT":"04/25/2000","INSPECTION_END_DT":"04/25/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2000-04-25"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":46,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2006-Q2":{"hours":115,"employees":2,"production":0},"2006-Q1":{"hours":1,"employees":1,"production":0},"2005-Q4":{"hours":736,"employees":2,"production":0},"2005-Q3":{"hours":0,"employees":0,"production":0},"2005-Q2":{"hours":0,"employees":0,"production":0},"2005-Q1":{"hours":50,"employees":1,"production":0},"2004-Q4":{"hours":1200,"employees":2,"production":0},"2004-Q3":{"hours":1689,"employees":3,"production":0},"2004-Q2":{"hours":120,"employees":2,"production":0},"2004-Q1":{"hours":0,"employees":0,"production":0},"2003-Q4":{"hours":610,"employees":3,"production":0},"2003-Q3":{"hours":1550,"employees":3,"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":{"2000":{"hours":6135,"employees":4,"production":0},"2001":{"hours":6465,"employees":4,"production":0},"2002":{"hours":5398,"employees":4,"production":0},"2003":{"hours":3755,"employees":3,"production":0},"2004":{"hours":3009,"employees":3,"production":0},"2005":{"hours":786,"employees":2,"production":0},"2006":{"hours":116,"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-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":3,"firstDate":"2002-07-16","lastDate":"2004-08-25","metrics":{"recentRows":0,"actionTaken":3,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"29785","EVENT_NO":"0978190","SAMPLE_NO":"000000200407755400","SAMPLE_DATE":"08/25/2004","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-08-25"},{"SOURCE_ROW_NUMBER":"18611","EVENT_NO":"0969019","SAMPLE_NO":"000000200205314900","SAMPLE_DATE":"07/16/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-07-16"},{"SOURCE_ROW_NUMBER":"18610","EVENT_NO":"0969019","SAMPLE_NO":"000000200205314800","SAMPLE_DATE":"07/16/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-07-16"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":4,"firstDate":"2001-06-12","lastDate":"2005-10-12","metrics":{"ss":0,"amountDue":225,"contested":0,"amountPaid":225,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":225},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1363010","VIOLATION_NO":"6165822","VIOLATION_ISSUE_DT":"10/12/2005","SIG_SUB":"N","PART_SECTION":"56.9301","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/12/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-10-12"},{"SOURCE_ROW_NUMBER":"1363009","VIOLATION_NO":"7837950","VIOLATION_ISSUE_DT":"06/12/2001","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/25/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-06-12"},{"SOURCE_ROW_NUMBER":"1363008","VIOLATION_NO":"7837949","VIOLATION_ISSUE_DT":"06/12/2001","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/12/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-06-12"},{"SOURCE_ROW_NUMBER":"1363007","VIOLATION_NO":"7837948","VIOLATION_ISSUE_DT":"06/12/2001","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/12/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-06-12"}]}],"safety":{"href":"/api/v1/mines/2103090/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2103090/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":"Dump site restraints.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9301","part":"56","subchapter":"K","subpart":"H","id":"56.9301","citation":"30 CFR 56.9301","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":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","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":"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":"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":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2103090","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}