{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4503453","name":"Tower Rock","status":"Abandoned","status_date":"2011-04-01","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Granite","state":"WA","county":"Cowlitz","nearest_town":"Castle Rock","operator_id":"0063383","operator_name":"Tower Rock Products Inc.","controller_id":"M14168","controller_name":"Kevin  Tapani; Leigh  Tapani","district":"M7","office":"Albany OR Field Office","employees":0,"latitude":46.338888,"longitude":-122.825833},"coverage":{"contributingSources":11,"registeredSources":20,"sourceRows":187},"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":"4503453","name":"Tower Rock"},"operator":{"type":"operator","id":"0063383","name":"Tower Rock Products Inc."},"controller":{"type":"controller","id":"M14168","name":"Kevin  Tapani; Leigh  Tapani"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02326","name":"John D  Friend et al"},"object":{"type":"mine","id":"4503453","name":"Tower Rock"},"validFrom":"1950-01-01","validTo":"2006-02-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|M02326|1950-01-01|2006-02-28"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17863","name":"Rognlin'S Inc"},"object":{"type":"mine","id":"4503453","name":"Tower Rock"},"validFrom":"2000-10-01","validTo":"2002-10-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|L17863|2000-10-01|2002-10-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11262","name":"Randy  Rognlin"},"object":{"type":"mine","id":"4503453","name":"Tower Rock"},"validFrom":"2000-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|M11262|2000-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11262","name":"Randy  Rognlin"},"object":{"type":"operator","id":"L17863","name":"Rognlin'S Inc"},"validFrom":"2000-10-01","validTo":"2002-10-22","current":false,"derived":true,"evidenceMineId":"4503453","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|L17863|2000-10-01|M11262|2000-10-01|151044"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15456","name":"Northwest Rock Incorporated"},"object":{"type":"mine","id":"4503453","name":"Tower Rock"},"validFrom":"2002-10-23","validTo":"2005-08-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|L15456|2002-10-23|2005-08-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02326","name":"John D  Friend et al"},"object":{"type":"operator","id":"L15456","name":"Northwest Rock Incorporated"},"validFrom":"2002-10-23","validTo":"2005-08-11","current":false,"derived":true,"evidenceMineId":"4503453","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|L15456|2002-10-23|M02326|1950-01-01|124809"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0063383","name":"Tower Rock Products Inc."},"object":{"type":"mine","id":"4503453","name":"Tower Rock"},"validFrom":"2005-08-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|0063383|2005-08-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M14168","name":"Kevin  Tapani et al"},"object":{"type":"mine","id":"4503453","name":"Tower Rock"},"validFrom":"2005-08-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|M14168|2005-08-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M14168","name":"Kevin  Tapani et al"},"object":{"type":"operator","id":"0063383","name":"Tower Rock Products Inc."},"validFrom":"2005-08-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503453","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|0063383|2005-08-12|M14168|2005-08-12|157606"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M14168","name":"Leigh  Tapani et al"},"object":{"type":"operator","id":"0063383","name":"Tower Rock Products Inc."},"validFrom":"2005-08-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503453","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|0063383|2005-08-12|M14168|2005-08-12|157607"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11262","name":"Randy  Rognlin"},"object":{"type":"mine","id":"4503453","name":"Tower Rock"},"validFrom":"2006-03-01","validTo":"2017-12-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|M11262|2006-03-01|2017-12-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11262","name":"Randy  Rognlin"},"object":{"type":"operator","id":"L15456","name":"Northwest Rock Incorporated"},"validFrom":"2006-03-01","validTo":"2005-08-11","current":false,"derived":true,"evidenceMineId":"4503453","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|L15456|2002-10-23|M11262|2006-03-01|151054"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0137981","name":"Jason  Messmer et al"},"object":{"type":"mine","id":"4503453","name":"Tower Rock"},"validFrom":"2017-12-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|0137981|2017-12-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0137981","name":"Jason  Messmer et al"},"object":{"type":"operator","id":"L15456","name":"Northwest Rock Incorporated"},"validFrom":"2017-12-29","validTo":"2005-08-11","current":false,"derived":true,"evidenceMineId":"4503453","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|L15456|2002-10-23|0137981|2017-12-29|27894"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0137981","name":"Randy  Rognlin et al"},"object":{"type":"operator","id":"L15456","name":"Northwest Rock Incorporated"},"validFrom":"2017-12-29","validTo":"2005-08-11","current":false,"derived":true,"evidenceMineId":"4503453","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503453|L15456|2002-10-23|0137981|2017-12-29|27895"}}],"coverage":{"historyRecords":7,"edgeCount":15,"intervalAnomalies":3,"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":4,"firstDate":"2003-08-04","lastDate":"2006-11-29","metrics":{"daysLost":19,"injuries":4,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"270071","DOCUMENT_NO":"220063400039","ACCIDENT_DT":"11/29/2006","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","DAYS_LOST":"0","NARRATIVE":"Metal bits from vertical shaft impactor had broke from auger & appeared on belt. Employee walked over to survey while visually checking operation, a piece of loose metal bounced off back retaining board & struck EE on his left index finger causing an injury that required medical treatment. No lost time & no physical restrictions.","sourceDate":"2006-11-29"},{"SOURCE_ROW_NUMBER":"89399","DOCUMENT_NO":"220041120017","ACCIDENT_DT":"04/13/2004","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between NEC","OCCUPATION":"Outside foreman, Leadman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Operator was attempting to close the front windsheild on excavator when it became stuck. He used both hands to force the window shut. It came down quick and caught his right middle finger between the window and the frame.","sourceDate":"2004-04-13"},{"SOURCE_ROW_NUMBER":"261636","DOCUMENT_NO":"220033040049","ACCIDENT_DT":"10/22/2003","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"NO VALUE FOUND","ACCIDENT_TYPE":"No Value Found","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"1","DAYS_LOST":"17","NARRATIVE":"WHILE A LOADED TRUCK AND TRAILER APPROACHED THE SCALE THE TRUCK ONLY WAS ON THE SCALE AND WAS SLIGHTLY OVER WEIGHT. THE DRIVER OF THE TRUCK GOT OUT OF THE TRUCK IN AN INACCESSABLE AREA, SLIPPE D ON THE SCALES AND FELL TO THE GROUND. SAFE ACCESS IS AVAILABLE WHEN TRUCK IS PULLED COMPLETELY ON SCALES AND ALLD RIVERS ARE ADVISED TO STAY IN TRUCK UNTIL SUCK TIME.","sourceDate":"2003-10-22"},{"SOURCE_ROW_NUMBER":"235744","DOCUMENT_NO":"220033180050","ACCIDENT_DT":"08/04/2003","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"2","NARRATIVE":"DIGGING OFF CONVEYOR AND IT STARTED TO ROLL AND HE ROLLED DOWN THE CONVEYOR.","sourceDate":"2003-08-04"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2011-04-01","lastDate":"2011-04-01","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":35,"firstDate":"2000-11-29","lastDate":"2010-03-30","metrics":{"ss":7,"delinquent":33,"recentRows":0,"paidPenalty":3195,"proposedPenalty":3195,"currentAssessment":3195},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"625891","VIOLATION_NO":"6486041","ISSUE_DT":"03/30/2010","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":"2010-03-30"},{"SOURCE_ROW_NUMBER":"625890","VIOLATION_NO":"6486040","ISSUE_DT":"03/30/2010","CFR_STANDARD_CD":"56.14107(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":"2010-03-30"},{"SOURCE_ROW_NUMBER":"625889","VIOLATION_NO":"6486039","ISSUE_DT":"03/30/2010","CFR_STANDARD_CD":"47.41(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":"2010-03-30"},{"SOURCE_ROW_NUMBER":"625888","VIOLATION_NO":"6486038","ISSUE_DT":"03/30/2010","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-03-30"},{"SOURCE_ROW_NUMBER":"219228","VIOLATION_NO":"6060279","ISSUE_DT":"08/20/2008","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-08-20"},{"SOURCE_ROW_NUMBER":"219227","VIOLATION_NO":"6060278","ISSUE_DT":"08/19/2008","CFR_STANDARD_CD":"56.9301","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-08-19"},{"SOURCE_ROW_NUMBER":"219226","VIOLATION_NO":"6060277","ISSUE_DT":"08/19/2008","CFR_STANDARD_CD":"56.9300(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-08-19"},{"SOURCE_ROW_NUMBER":"219225","VIOLATION_NO":"6060276","ISSUE_DT":"08/19/2008","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"190.00","CURRENT_ASSESSMENT_AMT":"190.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-08-19"},{"SOURCE_ROW_NUMBER":"219224","VIOLATION_NO":"6060275","ISSUE_DT":"08/19/2008","CFR_STANDARD_CD":"56.9300(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":"2008-08-19"},{"SOURCE_ROW_NUMBER":"219223","VIOLATION_NO":"6060274","ISSUE_DT":"08/19/2008","CFR_STANDARD_CD":"56.9300(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"285.00","CURRENT_ASSESSMENT_AMT":"285.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-08-19"},{"SOURCE_ROW_NUMBER":"588334","VIOLATION_NO":"7962089","ISSUE_DT":"05/01/2007","CFR_STANDARD_CD":"56.14207","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-05-01"},{"SOURCE_ROW_NUMBER":"588333","VIOLATION_NO":"7962088","ISSUE_DT":"05/01/2007","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":"2007-05-01"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":1,"firstDate":"2003-11-17","lastDate":"2003-11-17","metrics":{"linkedIssuances":1},"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":7,"firstDate":"2000-10-01","lastDate":"2005-08-12","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":5},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":12,"firstDate":"2000-11-29","lastDate":"2010-03-30","metrics":{"inspectors":19,"recentRows":0,"onSiteHours":166.25,"inspectionHours":293.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"42959","EVENT_NO":"1150914","INSPECTION_BEGIN_DT":"03/30/2010","INSPECTION_END_DT":"03/31/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"27.75","SUM_TOTAL_ON_SITE_HOURS":"14.5","sourceDate":"2010-03-30"},{"SOURCE_ROW_NUMBER":"1018295","EVENT_NO":"1145431","INSPECTION_BEGIN_DT":"09/03/2008","INSPECTION_END_DT":"09/05/2008","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.5","SUM_TOTAL_ON_SITE_HOURS":"3.75","sourceDate":"2008-09-03"},{"SOURCE_ROW_NUMBER":"450912","EVENT_NO":"0902107","INSPECTION_BEGIN_DT":"08/19/2008","INSPECTION_END_DT":"08/25/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.5","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2008-08-19"},{"SOURCE_ROW_NUMBER":"777983","EVENT_NO":"1134114","INSPECTION_BEGIN_DT":"05/01/2007","INSPECTION_END_DT":"05/02/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"41","SUM_TOTAL_ON_SITE_HOURS":"25","sourceDate":"2007-05-01"},{"SOURCE_ROW_NUMBER":"194096","EVENT_NO":"1123978","INSPECTION_BEGIN_DT":"11/08/2005","INSPECTION_END_DT":"11/10/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19.5","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2005-11-08"},{"SOURCE_ROW_NUMBER":"343029","EVENT_NO":"1123399","INSPECTION_BEGIN_DT":"05/24/2005","INSPECTION_END_DT":"05/25/2005","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2005-05-24"},{"SOURCE_ROW_NUMBER":"90368","EVENT_NO":"1123393","INSPECTION_BEGIN_DT":"05/05/2005","INSPECTION_END_DT":"05/09/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2005-05-05"},{"SOURCE_ROW_NUMBER":"276832","EVENT_NO":"1118658","INSPECTION_BEGIN_DT":"01/08/2004","INSPECTION_END_DT":"01/08/2004","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2004-01-08"},{"SOURCE_ROW_NUMBER":"264589","EVENT_NO":"1118409","INSPECTION_BEGIN_DT":"11/06/2003","INSPECTION_END_DT":"11/07/2003","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2003-11-06"},{"SOURCE_ROW_NUMBER":"117439","EVENT_NO":"1118404","INSPECTION_BEGIN_DT":"10/16/2003","INSPECTION_END_DT":"10/22/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"45","SUM_TOTAL_ON_SITE_HOURS":"30","sourceDate":"2003-10-16"},{"SOURCE_ROW_NUMBER":"496869","EVENT_NO":"1116620","INSPECTION_BEGIN_DT":"04/14/2003","INSPECTION_END_DT":"04/15/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"22","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2003-04-14"},{"SOURCE_ROW_NUMBER":"676321","EVENT_NO":"0729780","INSPECTION_BEGIN_DT":"11/29/2000","INSPECTION_END_DT":"11/30/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"72","SUM_TOTAL_ON_SITE_HOURS":"50","sourceDate":"2000-11-29"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":64,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011-Q1":{"hours":0,"employees":0,"production":0},"2010-Q4":{"hours":0,"employees":0,"production":0},"2010-Q3":{"hours":156,"employees":2,"production":0},"2010-Q2":{"hours":1193,"employees":3,"production":0},"2010-Q1":{"hours":253,"employees":2,"production":0},"2009-Q2":{"hours":698,"employees":6,"production":0},"2009-Q1":{"hours":429,"employees":5,"production":0},"2008-Q4":{"hours":608,"employees":4,"production":0},"2008-Q3":{"hours":1072,"employees":4,"production":0},"2008-Q2":{"hours":6773,"employees":12,"production":0},"2008-Q1":{"hours":2851,"employees":8,"production":0},"2007-Q4":{"hours":1109,"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":17,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002":{"hours":1707,"employees":7,"production":0},"2003":{"hours":15952,"employees":13,"production":0},"2004":{"hours":1534,"employees":3,"production":0},"2005":{"hours":5739,"employees":8,"production":0},"2006":{"hours":15195,"employees":8,"production":0},"2007":{"hours":14128,"employees":8,"production":0},"2008":{"hours":11304,"employees":7,"production":0},"2009":{"hours":1127,"employees":6,"production":0},"2010":{"hours":1602,"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":10,"firstDate":"2000-11-30","lastDate":"2010-03-31","metrics":{"recentRows":0,"actionTaken":10,"maxExposureRatio":0.05,"overExposureLimit":0,"exposureRatioTotal":0.05},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"115306","EVENT_NO":"1150914","SAMPLE_NO":"000000201003208600","SAMPLE_DATE":"03/31/2010","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":"2010-03-31"},{"SOURCE_ROW_NUMBER":"115305","EVENT_NO":"1150914","SAMPLE_NO":"000000201003208500","SAMPLE_DATE":"03/31/2010","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Backhoe Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-03-31"},{"SOURCE_ROW_NUMBER":"115304","EVENT_NO":"1150914","SAMPLE_NO":"000000201003208400","SAMPLE_DATE":"03/31/2010","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":"2010-03-31"},{"SOURCE_ROW_NUMBER":"115303","EVENT_NO":"1150914","SAMPLE_NO":"000000201003208300","SAMPLE_DATE":"03/31/2010","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Backhoe Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-03-31"},{"SOURCE_ROW_NUMBER":"50679","EVENT_NO":"1123399","SAMPLE_NO":"000000200504985100","SAMPLE_DATE":"05/25/2005","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.19","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2005-05-25"},{"SOURCE_ROW_NUMBER":"50678","EVENT_NO":"1123399","SAMPLE_NO":"000000200504985000","SAMPLE_DATE":"05/25/2005","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":"2005-05-25"},{"SOURCE_ROW_NUMBER":"205327","EVENT_NO":"0729780","SAMPLE_NO":"800000200000342900","SAMPLE_DATE":"11/30/2000","CONTAMINANT_DESC":"Nuisance dust, respirable, <1% Qtz","CONCENTRATION":"0000.52","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.05","JOB_CD_DESC":"Diamond Drill Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2000-11-30"},{"SOURCE_ROW_NUMBER":"205326","EVENT_NO":"0729780","SAMPLE_NO":"800000200000342800","SAMPLE_DATE":"11/30/2000","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Mechanic","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2000-11-30"},{"SOURCE_ROW_NUMBER":"205325","EVENT_NO":"0729780","SAMPLE_NO":"800000200000342700","SAMPLE_DATE":"11/30/2000","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Supervisor, Co. Official","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2000-11-30"},{"SOURCE_ROW_NUMBER":"205324","EVENT_NO":"0729780","SAMPLE_NO":"800000200000342600","SAMPLE_DATE":"11/30/2000","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Backhoe Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2000-11-30"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":35,"firstDate":"2000-11-29","lastDate":"2010-03-30","metrics":{"ss":7,"amountDue":3195,"contested":0,"amountPaid":3195,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":3195},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2474215","VIOLATION_NO":"6486041","VIOLATION_ISSUE_DT":"03/30/2010","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/31/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-03-30"},{"SOURCE_ROW_NUMBER":"2474214","VIOLATION_NO":"6486040","VIOLATION_ISSUE_DT":"03/30/2010","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/30/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-03-30"},{"SOURCE_ROW_NUMBER":"2474213","VIOLATION_NO":"6486039","VIOLATION_ISSUE_DT":"03/30/2010","SIG_SUB":"N","PART_SECTION":"47.41(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/30/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-03-30"},{"SOURCE_ROW_NUMBER":"2474212","VIOLATION_NO":"6486038","VIOLATION_ISSUE_DT":"03/30/2010","SIG_SUB":"Y","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/30/2010","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2010-03-30"},{"SOURCE_ROW_NUMBER":"2474234","VIOLATION_NO":"6060279","VIOLATION_ISSUE_DT":"08/20/2008","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/20/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-08-20"},{"SOURCE_ROW_NUMBER":"2474233","VIOLATION_NO":"6060278","VIOLATION_ISSUE_DT":"08/19/2008","SIG_SUB":"N","PART_SECTION":"56.9301","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/20/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-08-19"},{"SOURCE_ROW_NUMBER":"2474232","VIOLATION_NO":"6060277","VIOLATION_ISSUE_DT":"08/19/2008","SIG_SUB":"N","PART_SECTION":"56.9300(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/20/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-08-19"},{"SOURCE_ROW_NUMBER":"2474231","VIOLATION_NO":"6060276","VIOLATION_ISSUE_DT":"08/19/2008","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"08/19/2008","PROPOSED_PENALTY":"190","AMOUNT_DUE":"190","AMOUNT_PAID":"190","CONTESTED_IND":"N","sourceDate":"2008-08-19"},{"SOURCE_ROW_NUMBER":"2474230","VIOLATION_NO":"6060275","VIOLATION_ISSUE_DT":"08/19/2008","SIG_SUB":"N","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/19/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-08-19"},{"SOURCE_ROW_NUMBER":"2474229","VIOLATION_NO":"6060274","VIOLATION_ISSUE_DT":"08/19/2008","SIG_SUB":"Y","PART_SECTION":"56.9300(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/20/2008","PROPOSED_PENALTY":"285","AMOUNT_DUE":"285","AMOUNT_PAID":"285","CONTESTED_IND":"N","sourceDate":"2008-08-19"},{"SOURCE_ROW_NUMBER":"2474224","VIOLATION_NO":"7962089","VIOLATION_ISSUE_DT":"05/01/2007","SIG_SUB":"N","PART_SECTION":"56.14207","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/01/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-05-01"},{"SOURCE_ROW_NUMBER":"2474223","VIOLATION_NO":"7962088","VIOLATION_ISSUE_DT":"05/01/2007","SIG_SUB":"N","PART_SECTION":"56.13015(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/02/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-05-01"}]}],"safety":{"href":"/api/v1/mines/4503453/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4503453/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":"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},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 47.41","heading":"Requirement for container labels.","id":"47.41","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41","part":"47","partHeading":"PART 47—HAZARD COMMUNICATION (HazCom)","subchapter":"H","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","subpart":"E","subpartHeading":"Subpart E—Container Labels and Other Forms of Warning","text":"(a) The operator must ensure that each container of a hazardous chemical has a label. If a container is tagged or marked with the appropriate information, it is labeled.\n\n(1) The operator must replace a container label immediately if it is missing or if the hazard information on the label is unreadable.\n\n(2) The operator must not remove or deface existing labels on containers of hazardous chemicals.\n\n(b) For each hazardous chemical produced at the mine, the operator must prepare a container label and update this label with any significant, new information about the chemical's hazards within 3 months of becoming aware of this information.\n\n(c) For each hazardous chemical brought to the mine, the operator must replace an outdated label when a revised label is received from the chemical's manufacturer or supplier. The operator is not responsible for an inaccurate label obtained from the chemical's manufacturer or supplier.","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":"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":"Berms or guardrails.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300","part":"56","subchapter":"K","subpart":"H","id":"56.9300","citation":"30 CFR 56.9300","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":3},{"chapter":"I","heading":"Insulation and fittings for power wires and cables.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008","part":"56","subchapter":"K","subpart":"K","id":"56.12008","citation":"30 CFR 56.12008","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Parking procedures for unattended equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207","part":"56","subchapter":"K","subpart":"M","id":"56.14207","citation":"30 CFR 56.14207","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4503453","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}