{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-18T09:31:49.615Z","identity":{"mine_id":"1700114","name":"Leeds Sand & Gravel C640","status":"Abandoned","status_date":"2006-09-13","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"ME","county":"Androscoggin","nearest_town":"Leeds","operator_id":"L10129","operator_name":"Pike Industries","controller_id":"M06183","controller_name":"CRH PLC","district":"M2","office":"Portsmouth NH Field Office","employees":0,"latitude":44.290513,"longitude":-70.123837},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":100},"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":"2026-10-18T09:31:49.615908+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":"1700114","name":"Leeds Sand & Gravel C640"},"operator":{"type":"operator","id":"L10129","name":"Pike Industries"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00057","name":"Blue Rock Industries"},"object":{"type":"mine","id":"1700114","name":"Leeds Sand & Gravel C640"},"validFrom":"1950-01-01","validTo":"2006-01-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1700114|L00057|1950-01-01|2006-01-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00056","name":"James  Hinman"},"object":{"type":"mine","id":"1700114","name":"Leeds Sand & Gravel C640"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1700114|M00056|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00056","name":"James  Hinman"},"object":{"type":"operator","id":"L00057","name":"Blue Rock Industries"},"validFrom":"1950-01-01","validTo":"2006-01-16","current":false,"derived":true,"evidenceMineId":"1700114","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1700114|L00057|1950-01-01|M00056|1950-01-01|103155"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"1700114","name":"Leeds Sand & Gravel C640"},"validFrom":"1988-06-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1700114|M06183|1988-06-02|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10129","name":"Pike Industries"},"object":{"type":"mine","id":"1700114","name":"Leeds Sand & Gravel C640"},"validFrom":"2006-01-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1700114|L10129|2006-01-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L10129","name":"Pike Industries"},"validFrom":"2006-01-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"1700114","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1700114|L10129|2006-01-17|M06183|1988-06-02|136559"}}],"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":"2006-09-13","lastDate":"2006-09-13","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":6,"firstDate":"2003-03-18","lastDate":"2005-08-11","metrics":{"ss":1,"delinquent":6,"recentRows":0,"paidPenalty":366,"proposedPenalty":366,"currentAssessment":366},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"188278","VIOLATION_NO":"6031478","ISSUE_DT":"08/11/2005","CFR_STANDARD_CD":"62.120","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-08-11"},{"SOURCE_ROW_NUMBER":"188277","VIOLATION_NO":"6031477","ISSUE_DT":"08/10/2005","CFR_STANDARD_CD":"46.12(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":"2005-08-10"},{"SOURCE_ROW_NUMBER":"154638","VIOLATION_NO":"6018101","ISSUE_DT":"05/25/2004","CFR_STANDARD_CD":"56.12013(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-05-25"},{"SOURCE_ROW_NUMBER":"165436","VIOLATION_NO":"7749397","ISSUE_DT":"03/18/2003","CFR_STANDARD_CD":"56.11004","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"76.00","CURRENT_ASSESSMENT_AMT":"76.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-18"},{"SOURCE_ROW_NUMBER":"165435","VIOLATION_NO":"7749396","ISSUE_DT":"03/18/2003","CFR_STANDARD_CD":"46.12(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":"2003-03-18"},{"SOURCE_ROW_NUMBER":"165434","VIOLATION_NO":"7749395","ISSUE_DT":"03/18/2003","CFR_STANDARD_CD":"56.15003","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-18"}]},{"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":"1950-01-01","lastDate":"2006-01-17","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":10,"firstDate":"2001-05-22","lastDate":"2006-09-13","metrics":{"inspectors":10,"recentRows":0,"onSiteHours":65.5,"inspectionHours":122.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1141882","EVENT_NO":"0890888","INSPECTION_BEGIN_DT":"09/13/2006","INSPECTION_END_DT":"09/13/2006","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.25","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2006-09-13"},{"SOURCE_ROW_NUMBER":"391262","EVENT_NO":"0891363","INSPECTION_BEGIN_DT":"08/29/2006","INSPECTION_END_DT":"08/29/2006","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2006-08-29"},{"SOURCE_ROW_NUMBER":"1044224","EVENT_NO":"0883715","INSPECTION_BEGIN_DT":"08/09/2005","INSPECTION_END_DT":"08/11/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"30","SUM_TOTAL_ON_SITE_HOURS":"15.75","sourceDate":"2005-08-09"},{"SOURCE_ROW_NUMBER":"35086","EVENT_NO":"0880729","INSPECTION_BEGIN_DT":"07/08/2004","INSPECTION_END_DT":"07/08/2004","ACTIVITY_CODE":"09","ACTIVITY":"VERBAL HAZARD COMPLAINT","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2004-07-08"},{"SOURCE_ROW_NUMBER":"79182","EVENT_NO":"0821631","INSPECTION_BEGIN_DT":"05/25/2004","INSPECTION_END_DT":"05/26/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2004-05-25"},{"SOURCE_ROW_NUMBER":"525702","EVENT_NO":"0828155","INSPECTION_BEGIN_DT":"09/08/2003","INSPECTION_END_DT":"09/08/2003","ACTIVITY_CODE":"40","ACTIVITY":"SPECIAL ENFORCEMENT 1","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2003-09-08"},{"SOURCE_ROW_NUMBER":"1114639","EVENT_NO":"0866860","INSPECTION_BEGIN_DT":"03/18/2003","INSPECTION_END_DT":"03/18/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2003-03-18"},{"SOURCE_ROW_NUMBER":"27503","EVENT_NO":"0867491","INSPECTION_BEGIN_DT":"06/12/2002","INSPECTION_END_DT":"06/13/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2002-06-12"},{"SOURCE_ROW_NUMBER":"163443","EVENT_NO":"0739624","INSPECTION_BEGIN_DT":"12/04/2001","INSPECTION_END_DT":"12/04/2001","ACTIVITY_CODE":"10","ACTIVITY":"ATTEMPTED INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2001-12-04"},{"SOURCE_ROW_NUMBER":"476067","EVENT_NO":"0717013","INSPECTION_BEGIN_DT":"05/22/2001","INSPECTION_END_DT":"05/23/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"28","SUM_TOTAL_ON_SITE_HOURS":"22","sourceDate":"2001-05-22"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":52,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2006-Q3":{"hours":0,"employees":0,"production":0},"2006-Q2":{"hours":0,"employees":0,"production":0},"2006-Q1":{"hours":891,"employees":3,"production":0},"2005-Q3":{"hours":5522,"employees":11,"production":0},"2005-Q2":{"hours":4318,"employees":11,"production":0},"2005-Q1":{"hours":251,"employees":3,"production":0},"2004-Q4":{"hours":3423,"employees":6,"production":0},"2004-Q3":{"hours":4940,"employees":11,"production":0},"2004-Q2":{"hours":4510,"employees":11,"production":0},"2004-Q1":{"hours":234,"employees":3,"production":0},"2003-Q4":{"hours":3609,"employees":11,"production":0},"2003-Q3":{"hours":5893,"employees":11,"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":14,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":11424,"employees":7,"production":0},"2001":{"hours":12505,"employees":7,"production":0},"2002":{"hours":14583,"employees":9,"production":0},"2003":{"hours":13783,"employees":9,"production":0},"2004":{"hours":13107,"employees":8,"production":0},"2005":{"hours":10091,"employees":8,"production":0},"2006":{"hours":891,"employees":3,"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":8,"firstDate":"2001-05-23","lastDate":"2005-08-10","metrics":{"recentRows":0,"actionTaken":8,"maxExposureRatio":0.81,"overExposureLimit":0,"exposureRatioTotal":2.58},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"57513","EVENT_NO":"0883715","SAMPLE_NO":"000000200507386500","SAMPLE_DATE":"08/10/2005","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.31","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2005-08-10"},{"SOURCE_ROW_NUMBER":"57512","EVENT_NO":"0883715","SAMPLE_NO":"000000200507386400","SAMPLE_DATE":"08/10/2005","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.15","EXPOSURE_LIMIT":"0000.35","C_OVER_E":"00.43","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2005-08-10"},{"SOURCE_ROW_NUMBER":"57511","EVENT_NO":"0883715","SAMPLE_NO":"000000200507386300","SAMPLE_DATE":"08/10/2005","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2005-08-10"},{"SOURCE_ROW_NUMBER":"57510","EVENT_NO":"0883715","SAMPLE_NO":"000000200507386200","SAMPLE_DATE":"08/10/2005","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.26","EXPOSURE_LIMIT":"0000.41","C_OVER_E":"00.63","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2005-08-10"},{"SOURCE_ROW_NUMBER":"57509","EVENT_NO":"0883715","SAMPLE_NO":"000000200507386100","SAMPLE_DATE":"08/10/2005","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":"2005-08-10"},{"SOURCE_ROW_NUMBER":"5710","EVENT_NO":"0717013","SAMPLE_NO":"000000200101995500","SAMPLE_DATE":"05/23/2001","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":"2001-05-23"},{"SOURCE_ROW_NUMBER":"5709","EVENT_NO":"0717013","SAMPLE_NO":"000000200101995400","SAMPLE_DATE":"05/23/2001","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.48","EXPOSURE_LIMIT":"0000.68","C_OVER_E":"00.71","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2001-05-23"},{"SOURCE_ROW_NUMBER":"5708","EVENT_NO":"0717013","SAMPLE_NO":"000000200101995300","SAMPLE_DATE":"05/23/2001","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.55","EXPOSURE_LIMIT":"0000.68","C_OVER_E":"00.81","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2001-05-23"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":6,"firstDate":"2003-03-18","lastDate":"2005-08-11","metrics":{"ss":1,"amountDue":366,"contested":0,"amountPaid":366,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":366},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1232450","VIOLATION_NO":"6031478","VIOLATION_ISSUE_DT":"08/11/2005","SIG_SUB":"N","PART_SECTION":"62.120","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/19/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-08-11"},{"SOURCE_ROW_NUMBER":"1232449","VIOLATION_NO":"6031477","VIOLATION_ISSUE_DT":"08/10/2005","SIG_SUB":"N","PART_SECTION":"46.12(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/10/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-08-10"},{"SOURCE_ROW_NUMBER":"1232448","VIOLATION_NO":"6018101","VIOLATION_ISSUE_DT":"05/25/2004","SIG_SUB":"N","PART_SECTION":"56.12013(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/26/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-05-25"},{"SOURCE_ROW_NUMBER":"1232447","VIOLATION_NO":"7749397","VIOLATION_ISSUE_DT":"03/18/2003","SIG_SUB":"Y","PART_SECTION":"56.11004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/18/2003","PROPOSED_PENALTY":"76","AMOUNT_DUE":"76","AMOUNT_PAID":"76","CONTESTED_IND":"N","sourceDate":"2003-03-18"},{"SOURCE_ROW_NUMBER":"1232446","VIOLATION_NO":"7749396","VIOLATION_ISSUE_DT":"03/18/2003","SIG_SUB":"N","PART_SECTION":"46.12(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/18/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-03-18"},{"SOURCE_ROW_NUMBER":"1232445","VIOLATION_NO":"7749395","VIOLATION_ISSUE_DT":"03/18/2003","SIG_SUB":"N","PART_SECTION":"56.15003","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/18/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-03-18"}]}],"safety":{"href":"/api/v1/mines/1700114/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1700114/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":"Action level.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120","part":"62","subchapter":"M","subpart":"","id":"62.120","citation":"30 CFR 62.120","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER M—UNIFORM MINE HEALTH REGULATIONS","partHeading":"PART 62—OCCUPATIONAL NOISE EXPOSURE","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Responsibility for independent contractor training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.12","part":"46","subchapter":"H","subpart":"","id":"46.12","citation":"30 CFR 46.12","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":2},{"chapter":"I","heading":"Splices and repairs of power cables.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12013","part":"56","subchapter":"K","subpart":"K","id":"56.12013","citation":"30 CFR 56.12013","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":"Portable rigid ladders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11004","part":"56","subchapter":"K","subpart":"J","id":"56.11004","citation":"30 CFR 56.11004","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":"Protective footwear.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15003","part":"56","subchapter":"K","subpart":"N","id":"56.15003","citation":"30 CFR 56.15003","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":"1700114","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666}}