{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2100462","name":"43491","status":"Abandoned","status_date":"2016-08-23","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Stone NEC","state":"MN","county":"Benton","nearest_town":"Sauk Rapids","operator_id":"L00358","operator_name":"Knife River North Central","controller_id":"0176802","controller_name":"Knife River Corporation","district":"M4","office":"Duluth District","employees":0,"latitude":45.591944,"longitude":-94.166111},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":243},"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":"2100462","name":"43491"},"operator":{"type":"operator","id":"L00358","name":"Knife River North Central"},"controller":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00358","name":"Knife River North Central"},"object":{"type":"mine","id":"2100462","name":"43491"},"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":"2100462|L00358|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00294","name":"Bauerly Brothers Inc"},"object":{"type":"mine","id":"2100462","name":"43491"},"validFrom":"1950-01-01","validTo":"2001-04-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2100462|M00294|1950-01-01|2001-04-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00294","name":"Bauerly Brothers Inc"},"object":{"type":"operator","id":"L00358","name":"Knife River North Central"},"validFrom":"1950-01-01","validTo":"2001-04-25","current":false,"derived":true,"evidenceMineId":"2100462","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2100462|L00358|1950-01-01|M00294|1950-01-01|109060"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09717","name":"MDU Resources Group Inc"},"object":{"type":"mine","id":"2100462","name":"43491"},"validFrom":"2001-04-26","validTo":"2023-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2100462|M09717|2001-04-26|2023-05-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09717","name":"MDU Resources Group Inc"},"object":{"type":"operator","id":"L00358","name":"Knife River North Central"},"validFrom":"2001-04-26","validTo":"2023-05-31","current":false,"derived":true,"evidenceMineId":"2100462","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2100462|L00358|1950-01-01|M09717|2001-04-26|147172"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"object":{"type":"mine","id":"2100462","name":"43491"},"validFrom":"2023-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2100462|0176802|2023-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"object":{"type":"operator","id":"L00358","name":"Knife River North Central"},"validFrom":"2023-06-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2100462","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2100462|L00358|1950-01-01|0176802|2023-06-01|37689"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":7,"firstDate":"2002-09-25","lastDate":"2015-05-08","metrics":{"daysLost":175,"injuries":7,"fatalities":1,"recentRows":0,"restrictedDays":465,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"40439","DOCUMENT_NO":"220151310008","ACCIDENT_DT":"05/08/2015","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Crusher attendant/operator, Pan feeder operator/worker","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was lifting power cords overhead and felt a \"pop\" in his neck and shoulder. He was taken to our doctor who referred him to a chiropractor. The chiropractor adjusted his neck and shoulder.","sourceDate":"2015-05-08"},{"SOURCE_ROW_NUMBER":"14686","DOCUMENT_NO":"220132830139","ACCIDENT_DT":"10/01/2013","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from scaffolds, walkways, platforms","OCCUPATION":"Ledgeman/hand, Quarry man","NO_INJURIES":"1","DAYS_LOST":"175","NARRATIVE":"Fell 15 feet to the ground while on the cat walk of jaw crusher directing backhoe operator.","sourceDate":"2013-10-01"},{"SOURCE_ROW_NUMBER":"1819","DOCUMENT_NO":"220113460043","ACCIDENT_DT":"12/08/2011","DEGREE_INJURY":"FATALITY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was placing removable legs on a transfer conveyor. Conveyor was held in place by a loader. Removable leg fell and struck employee in the face, fatally injuring the employee.","sourceDate":"2011-12-08"},{"SOURCE_ROW_NUMBER":"216892","DOCUMENT_NO":"220060960032","ACCIDENT_DT":"03/29/2006","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"ELECTRICAL","ACCIDENT_TYPE":"Flash burns (electric)","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was cleaning electrical cord end and touched power to ground.","sourceDate":"2006-03-29"},{"SOURCE_ROW_NUMBER":"91958","DOCUMENT_NO":"220043100035","ACCIDENT_DT":"11/02/2004","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was driving a wedge to split the top shell from the bottom shell when the wedge fractured and a piece of the wedge struck him just in front of the rt ear (temple area).","sourceDate":"2004-11-02"},{"SOURCE_ROW_NUMBER":"148060","DOCUMENT_NO":"220033170025","ACCIDENT_DT":"10/23/2003","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","NARRATIVE":"EE WAS REPAIRING CRUSHER USING GRINDER. GOT A PARTICLE IN EYE.","sourceDate":"2003-10-23"},{"SOURCE_ROW_NUMBER":"199504","DOCUMENT_NO":"220023040028","ACCIDENT_DT":"09/25/2002","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"FALLING/SLIDING/ROLLING MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","NARRATIVE":"LADDER FROM CRUSHER FELL AGAINST CONVEYOR, THEN CAME BACK AND HIT THE EMPLOYEE IN THE FACE.","sourceDate":"2002-09-25"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2016-08-23","lastDate":"2016-08-23","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":16,"firstDate":"2007-07-19","lastDate":"2014-11-19","metrics":{"ss":7,"delinquent":16,"recentRows":0,"paidPenalty":84310,"proposedPenalty":112260,"currentAssessment":84310},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2276649","VIOLATION_NO":"8848004","ISSUE_DT":"11/19/2014","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":"2014-11-19"},{"SOURCE_ROW_NUMBER":"2276648","VIOLATION_NO":"8848003","ISSUE_DT":"11/19/2014","CFR_STANDARD_CD":"56.15005","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"196.00","CURRENT_ASSESSMENT_AMT":"196.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2014-11-19"},{"SOURCE_ROW_NUMBER":"2280567","VIOLATION_NO":"8738860","ISSUE_DT":"12/02/2013","CFR_STANDARD_CD":"46.9(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":"2013-12-02"},{"SOURCE_ROW_NUMBER":"2264472","VIOLATION_NO":"8738845","ISSUE_DT":"12/02/2013","CFR_STANDARD_CD":"56.14206(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"362.00","CURRENT_ASSESSMENT_AMT":"362.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-12-02"},{"SOURCE_ROW_NUMBER":"2264471","VIOLATION_NO":"8738844","ISSUE_DT":"12/02/2013","CFR_STANDARD_CD":"56.14103(c)(2)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"52500.00","CURRENT_ASSESSMENT_AMT":"30000.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-12-02"},{"SOURCE_ROW_NUMBER":"2165307","VIOLATION_NO":"8665103","ISSUE_DT":"05/08/2012","CFR_STANDARD_CD":"56.13015(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":"2012-05-08"},{"SOURCE_ROW_NUMBER":"2167427","VIOLATION_NO":"8660815","ISSUE_DT":"04/16/2012","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"2165424","VIOLATION_NO":"8660814","ISSUE_DT":"04/16/2012","CFR_STANDARD_CD":"46.7(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"1795.00","CURRENT_ASSESSMENT_AMT":"1795.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"2165423","VIOLATION_NO":"8660813","ISSUE_DT":"04/16/2012","CFR_STANDARD_CD":"56.16009","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"52500.00","CURRENT_ASSESSMENT_AMT":"47250.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"2165422","VIOLATION_NO":"8660812","ISSUE_DT":"04/16/2012","CFR_STANDARD_CD":"56.14100(c)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"1795.00","CURRENT_ASSESSMENT_AMT":"1795.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"2065401","VIOLATION_NO":"6553295","ISSUE_DT":"11/03/2010","CFR_STANDARD_CD":"56.14110","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"2200.00","CURRENT_ASSESSMENT_AMT":"2000.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-11-03"},{"SOURCE_ROW_NUMBER":"375251","VIOLATION_NO":"6492134","ISSUE_DT":"06/03/2009","CFR_STANDARD_CD":"56.14108","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-06-03"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":4,"firstDate":"2012-10-17","lastDate":"2014-11-18","metrics":{"appeals":0,"decisions":4,"recentRows":0,"decisionPenalty":79250,"originalPenalty":159700},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"360212","VIOLATION_NO":"8738844","DOCKET_NO":"LAKE 2014-0525","DECISION_DT":"11/18/2014","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"52500.00","DECISION_PENALTY_AMT":"30000.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2014-11-18"},{"SOURCE_ROW_NUMBER":"107542","VIOLATION_NO":"8738846","DOCKET_NO":"LAKE 2014-0525","DECISION_DT":"11/18/2014","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"52500.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2014-11-18"},{"SOURCE_ROW_NUMBER":"344765","VIOLATION_NO":"8660813","DOCKET_NO":"LAKE 2013-473M","DECISION_DT":"03/05/2014","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"52500.00","DECISION_PENALTY_AMT":"47250.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2014-03-05"},{"SOURCE_ROW_NUMBER":"303106","VIOLATION_NO":"6553295","DOCKET_NO":"LAKE 2011-756M","DECISION_DT":"10/17/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2200.00","DECISION_PENALTY_AMT":"2000.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2012-10-17"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":4,"firstDate":"2010-11-03","lastDate":"2013-12-02","metrics":{"decisions":4,"ssChanged":1,"recentRows":0,"decisionPenalty":79250,"proposedPenalty":159700},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"93919","CITATION_NO":"8738844","CITATION_ISSUE_DT":"12/02/2013","DOCKET_NO":"LAKE 2014-0525","DECISION_DT":"11/18/2014","CFR_STANDARD_CODE":"56.14103(c)(2)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"52500.00","DECISION_PENALTY_AMT":"30000.00","sourceDate":"2013-12-02"},{"SOURCE_ROW_NUMBER":"33867","CITATION_NO":"8738846","CITATION_ISSUE_DT":"12/02/2013","DOCKET_NO":"LAKE 2014-0525","DECISION_DT":"11/18/2014","CFR_STANDARD_CODE":"46.7(b)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"52500.00","DECISION_PENALTY_AMT":".00","sourceDate":"2013-12-02"},{"SOURCE_ROW_NUMBER":"256436","CITATION_NO":"8660813","CITATION_ISSUE_DT":"04/16/2012","DOCKET_NO":"LAKE 2013-473M","DECISION_DT":"03/05/2014","CFR_STANDARD_CODE":"56.16009","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"52500.00","DECISION_PENALTY_AMT":"47250.00","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"194783","CITATION_NO":"6553295","CITATION_ISSUE_DT":"11/03/2010","DOCKET_NO":"LAKE 2011-756M","DECISION_DT":"10/17/2012","CFR_STANDARD_CODE":"56.14110","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2200.00","DECISION_PENALTY_AMT":"2000.00","sourceDate":"2010-11-03"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":3,"firstDate":"1950-01-01","lastDate":"1950-01-01","metrics":{"recentRows":0,"currentOperatorTenures":3,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":24,"firstDate":"2000-04-19","lastDate":"2016-08-23","metrics":{"inspectors":26,"recentRows":0,"onSiteHours":238,"inspectionHours":576.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"220038","EVENT_NO":"6710473","INSPECTION_BEGIN_DT":"08/23/2016","INSPECTION_END_DT":"08/23/2016","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2016-08-23"},{"SOURCE_ROW_NUMBER":"73152","EVENT_NO":"6637509","INSPECTION_BEGIN_DT":"11/19/2014","INSPECTION_END_DT":"11/19/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.25","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2014-11-19"},{"SOURCE_ROW_NUMBER":"784374","EVENT_NO":"6631587","INSPECTION_BEGIN_DT":"12/16/2013","INSPECTION_END_DT":"12/17/2013","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.25","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2013-12-16"},{"SOURCE_ROW_NUMBER":"344234","EVENT_NO":"6639110","INSPECTION_BEGIN_DT":"12/02/2013","INSPECTION_END_DT":"12/02/2013","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2013-12-02"},{"SOURCE_ROW_NUMBER":"1032285","EVENT_NO":"6637062","INSPECTION_BEGIN_DT":"11/06/2013","INSPECTION_END_DT":"11/06/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2013-11-06"},{"SOURCE_ROW_NUMBER":"449051","EVENT_NO":"6631560","INSPECTION_BEGIN_DT":"10/01/2013","INSPECTION_END_DT":"10/10/2013","ACTIVITY_CODE":"E07","ACTIVITY":"Non-Fatal Accident Investigation","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"136.5","SUM_TOTAL_ON_SITE_HOURS":"49.25","sourceDate":"2013-10-01"},{"SOURCE_ROW_NUMBER":"822015","EVENT_NO":"6631266","INSPECTION_BEGIN_DT":"10/25/2012","INSPECTION_END_DT":"10/25/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.75","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2012-10-25"},{"SOURCE_ROW_NUMBER":"344060","EVENT_NO":"6574689","INSPECTION_BEGIN_DT":"06/12/2012","INSPECTION_END_DT":"06/12/2012","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.25","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2012-06-12"},{"SOURCE_ROW_NUMBER":"898287","EVENT_NO":"6574680","INSPECTION_BEGIN_DT":"05/08/2012","INSPECTION_END_DT":"05/08/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.25","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2012-05-08"},{"SOURCE_ROW_NUMBER":"1046033","EVENT_NO":"6575831","INSPECTION_BEGIN_DT":"04/16/2012","INSPECTION_END_DT":"04/16/2012","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"681023","EVENT_NO":"6574659","INSPECTION_BEGIN_DT":"01/05/2012","INSPECTION_END_DT":"01/05/2012","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"1.75","sourceDate":"2012-01-05"},{"SOURCE_ROW_NUMBER":"866390","EVENT_NO":"6574721","INSPECTION_BEGIN_DT":"12/08/2011","INSPECTION_END_DT":"04/16/2012","ACTIVITY_CODE":"E06","ACTIVITY":"Fatal Accident Investigation","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"209.25","SUM_TOTAL_ON_SITE_HOURS":"82.5","sourceDate":"2011-12-08"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":125,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2015-Q4":{"hours":415,"employees":4,"production":0},"2015-Q3":{"hours":429,"employees":4,"production":0},"2015-Q2":{"hours":477,"employees":4,"production":0},"2015-Q1":{"hours":1,"employees":1,"production":0},"2014-Q4":{"hours":567,"employees":4,"production":0},"2014-Q3":{"hours":477,"employees":3,"production":0},"2014-Q2":{"hours":329,"employees":3,"production":0},"2014-Q1":{"hours":1,"employees":1,"production":0},"2013-Q4":{"hours":225,"employees":3,"production":0},"2013-Q3":{"hours":407,"employees":3,"production":0},"2013-Q2":{"hours":467,"employees":3,"production":0},"2013-Q1":{"hours":1,"employees":1,"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":32,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2006":{"hours":2522,"employees":2,"production":0},"2007":{"hours":2226,"employees":5,"production":0},"2008":{"hours":1762,"employees":4,"production":0},"2009":{"hours":1724,"employees":3,"production":0},"2010":{"hours":1568,"employees":3,"production":0},"2011":{"hours":2234,"employees":3,"production":0},"2012":{"hours":2841,"employees":4,"production":0},"2013":{"hours":1100,"employees":3,"production":0},"2014":{"hours":1374,"employees":3,"production":0},"2015":{"hours":1322,"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-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":7,"firstDate":"2003-12-16","lastDate":"2010-11-03","metrics":{"recentRows":0,"actionTaken":7,"maxExposureRatio":0.51,"overExposureLimit":0,"exposureRatioTotal":1.63},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"130393","EVENT_NO":"6513335","SAMPLE_NO":"000000201010565200","SAMPLE_DATE":"11/03/2010","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.35","EXPOSURE_LIMIT":"0000.84","C_OVER_E":"00.42","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-11-03"},{"SOURCE_ROW_NUMBER":"130392","EVENT_NO":"6513335","SAMPLE_NO":"000000201010565100","SAMPLE_DATE":"11/03/2010","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.37","EXPOSURE_LIMIT":"0000.73","C_OVER_E":"00.51","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-11-03"},{"SOURCE_ROW_NUMBER":"100990","EVENT_NO":"6513036","SAMPLE_NO":"000000201006042100","SAMPLE_DATE":"06/23/2010","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":"2010-06-23"},{"SOURCE_ROW_NUMBER":"100989","EVENT_NO":"6513036","SAMPLE_NO":"000000201006042000","SAMPLE_DATE":"06/23/2010","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.26","EXPOSURE_LIMIT":"0001.23","C_OVER_E":"00.21","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-06-23"},{"SOURCE_ROW_NUMBER":"70749","EVENT_NO":"0990290","SAMPLE_NO":"000000200410529900","SAMPLE_DATE":"11/23/2004","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.23","EXPOSURE_LIMIT":"0000.74","C_OVER_E":"00.31","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-11-23"},{"SOURCE_ROW_NUMBER":"25836","EVENT_NO":"0968531","SAMPLE_NO":"000000200310085800","SAMPLE_DATE":"12/16/2003","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.12","EXPOSURE_LIMIT":"0000.67","C_OVER_E":"00.18","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-12-16"},{"SOURCE_ROW_NUMBER":"25835","EVENT_NO":"0968531","SAMPLE_NO":"000000200310085700","SAMPLE_DATE":"12/16/2003","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":"2003-12-16"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":19,"firstDate":"2007-07-19","lastDate":"2014-11-19","metrics":{"ss":7,"amountDue":84310,"contested":0,"amountPaid":84310,"recentRows":0,"section104d":1,"unterminated":0,"proposedPenalty":112260},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1335263","VIOLATION_NO":"8848004","VIOLATION_ISSUE_DT":"11/19/2014","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/19/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-11-19"},{"SOURCE_ROW_NUMBER":"1335262","VIOLATION_NO":"8848003","VIOLATION_ISSUE_DT":"11/19/2014","SIG_SUB":"Y","PART_SECTION":"56.15005","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"2","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/19/2014","PROPOSED_PENALTY":"196","AMOUNT_DUE":"196","AMOUNT_PAID":"196","CONTESTED_IND":"N","sourceDate":"2014-11-19"},{"SOURCE_ROW_NUMBER":"1335261","VIOLATION_NO":"8848002","VIOLATION_ISSUE_DT":"11/19/2014","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"11/19/2014","CONTESTED_IND":"N","sourceDate":"2014-11-19"},{"SOURCE_ROW_NUMBER":"1335264","VIOLATION_NO":"8738860","VIOLATION_ISSUE_DT":"12/02/2013","SIG_SUB":"N","PART_SECTION":"46.9(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/16/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2013-12-02"},{"SOURCE_ROW_NUMBER":"1335258","VIOLATION_NO":"8738845","VIOLATION_ISSUE_DT":"12/02/2013","SIG_SUB":"Y","PART_SECTION":"56.14206(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Occurred","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"12/16/2013","PROPOSED_PENALTY":"362","AMOUNT_DUE":"362","AMOUNT_PAID":"362","CONTESTED_IND":"N","sourceDate":"2013-12-02"},{"SOURCE_ROW_NUMBER":"1335257","VIOLATION_NO":"8738844","VIOLATION_ISSUE_DT":"12/02/2013","SIG_SUB":"Y","PART_SECTION":"56.14103(c)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Occurred","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"12/17/2013","PROPOSED_PENALTY":"52500","AMOUNT_DUE":"30000","AMOUNT_PAID":"30000","CONTESTED_IND":"N","sourceDate":"2013-12-02"},{"SOURCE_ROW_NUMBER":"1335259","VIOLATION_NO":"8739858","VIOLATION_ISSUE_DT":"10/02/2013","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"10/10/2013","CONTESTED_IND":"N","sourceDate":"2013-10-02"},{"SOURCE_ROW_NUMBER":"1335251","VIOLATION_NO":"8665103","VIOLATION_ISSUE_DT":"05/08/2012","SIG_SUB":"N","PART_SECTION":"56.13015(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/12/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-05-08"},{"SOURCE_ROW_NUMBER":"1335267","VIOLATION_NO":"8660814","VIOLATION_ISSUE_DT":"04/16/2012","SIG_SUB":"Y","PART_SECTION":"46.7(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Occurred","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/14/2012","PROPOSED_PENALTY":"1795","AMOUNT_DUE":"1795","AMOUNT_PAID":"1795","CONTESTED_IND":"N","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"1335266","VIOLATION_NO":"8660813","VIOLATION_ISSUE_DT":"04/16/2012","SIG_SUB":"Y","PART_SECTION":"56.16009","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Occurred","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"05/14/2012","PROPOSED_PENALTY":"52500","AMOUNT_DUE":"47250","AMOUNT_PAID":"47250","CONTESTED_IND":"N","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"1335265","VIOLATION_NO":"8660812","VIOLATION_ISSUE_DT":"04/16/2012","SIG_SUB":"Y","PART_SECTION":"56.14100(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Occurred","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/14/2012","PROPOSED_PENALTY":"1795","AMOUNT_DUE":"1795","AMOUNT_PAID":"1795","CONTESTED_IND":"N","sourceDate":"2012-04-16"},{"SOURCE_ROW_NUMBER":"1335250","VIOLATION_NO":"8660815","VIOLATION_ISSUE_DT":"04/16/2012","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/16/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-04-16"}]}],"safety":{"href":"/api/v1/mines/2100462/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2100462/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":"Safety belts and lines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005","part":"56","subchapter":"K","subpart":"N","id":"56.15005","citation":"30 CFR 56.15005","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":"Records of training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9","part":"46","subchapter":"H","subpart":"","id":"46.9","citation":"30 CFR 46.9","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":"Securing movable parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14206","part":"56","subchapter":"K","subpart":"M","id":"56.14206","citation":"30 CFR 56.14206","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":"Operators stations.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14103","part":"56","subchapter":"K","subpart":"M","id":"56.14103","citation":"30 CFR 56.14103","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 of compressed-air receivers and other unfired pressure vessels.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13015","part":"56","subchapter":"K","subpart":"L","id":"56.13015","citation":"30 CFR 56.13015","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":"New task training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7","part":"46","subchapter":"H","subpart":"","id":"46.7","citation":"30 CFR 46.7","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":"Suspended loads.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16009","part":"56","subchapter":"K","subpart":"O","id":"56.16009","citation":"30 CFR 56.16009","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":"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2100462","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}