{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4503341","name":"Siper Road Pit","status":"Active","status_date":"1995-10-04","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WA","county":"Whatcom","nearest_town":"Mt. Vernon","operator_id":"L00797","operator_name":"Miles Sand & Gravel","controller_id":"M00659","controller_name":"Walt  Miles","district":"M7","office":"Kent WA Field Office","employees":2,"latitude":48.878333,"longitude":-122.296111},"coverage":{"contributingSources":11,"registeredSources":20,"sourceRows":438},"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":"4503341","name":"Siper Road Pit"},"operator":{"type":"operator","id":"L00797","name":"Miles Sand & Gravel"},"controller":{"type":"controller","id":"M00659","name":"Walt  Miles"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00659","name":"Walt  Miles et al"},"object":{"type":"mine","id":"4503341","name":"Siper Road Pit"},"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":"4503341|M00659|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00659","name":"Walt  Miles et al"},"object":{"type":"mine","id":"4503341","name":"Siper Road Pit"},"validFrom":"1983-04-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503341|M00659|1983-04-08|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06508","name":"Concrete Nor'West"},"object":{"type":"mine","id":"4503341","name":"Siper Road Pit"},"validFrom":"1995-07-01","validTo":"2016-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503341|L06508|1995-07-01|2016-05-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00659","name":"Walt  Miles et al"},"object":{"type":"operator","id":"L06508","name":"Concrete Nor'West"},"validFrom":"1995-07-01","validTo":"2016-05-31","current":false,"derived":true,"evidenceMineId":"4503341","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503341|L06508|1995-07-01|M00659|1983-04-08|113955"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00797","name":"Miles Sand & Gravel"},"object":{"type":"mine","id":"4503341","name":"Siper Road Pit"},"validFrom":"2016-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503341|L00797|2016-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00659","name":"Walt  Miles et al"},"object":{"type":"operator","id":"L00797","name":"Miles Sand & Gravel"},"validFrom":"2016-06-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503341","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503341|L00797|2016-06-01|M00659|1950-01-01|113930"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":8,"firstDate":"2002-01-21","lastDate":"2022-02-22","metrics":{"daysLost":385,"injuries":8,"fatalities":0,"recentRows":1,"restrictedDays":10,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"257227","DOCUMENT_NO":"220220600004","ACCIDENT_DT":"02/22/2022","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"EXPLODING VESSELS UNDER PRESSURE","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"338","NARRATIVE":"Miner removed bolts thought to secure \"cap\" protecting an oil sensor threaded and bolted into a pressurized tank. The cap was then dislodged from silicone seal causing the release of pressure inside the tank and cap to strike the miner in the jaw.  Other sensors had been accessed prior to this all located under bolted on protective covers not under pressure.","sourceDate":"2022-02-22"},{"SOURCE_ROW_NUMBER":"162567","DOCUMENT_NO":"220163580016","ACCIDENT_DT":"12/19/2016","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"10","NARRATIVE":"Freezing conditions over the weekend of December 17 & 18 created frozen and slippery ground.  Shortly after the beginning of the shift, the miner was walking across the gravel mine, and slipped and fell on the frozen ground.","sourceDate":"2016-12-19"},{"SOURCE_ROW_NUMBER":"20623","DOCUMENT_NO":"220121450017","ACCIDENT_DT":"03/30/2012","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"2","NARRATIVE":"Injured on 3/30/12 loading material into loader bucket and foot was smashed under bucket. The emp. was evaluated @ ER and no med. treatment was administered and the injury was limited to bruising only. On 5/17/12 the emp. returned to the Dr. and a walking cast was applied. We feel this now meets the definition of med. treatment, therefore we are submitting this report as required.","sourceDate":"2012-03-30"},{"SOURCE_ROW_NUMBER":"184075","DOCUMENT_NO":"220090920015","ACCIDENT_DT":"02/25/2009","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Accident was NOT reported to Concrete Nor'West until 3/25/09.  On approx. 2/25/09 EE was carrying bags of cement up a hill.  On 3/20/09 he was having muscle spasms and saw a chiropractor.  He saw the Chiropractor again on 3/24/09 and the doctor indicated he has compression fracture.  EE informed us on 3/25/09 that he injured himself in February 2009.","sourceDate":"2009-02-25"},{"SOURCE_ROW_NUMBER":"184074","DOCUMENT_NO":"220061910019","ACCIDENT_DT":"06/09/2006","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"STEPPING OR KNEELING ON OBJECT","ACCIDENT_TYPE":"Rubbed or abraded","OCCUPATION":"Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor","NO_INJURIES":"1","DAYS_LOST":"30","NARRATIVE":"Saw doctor on 6/12/06 with pain to hip area. Bacterial infection set in at rt knee, rt flank & rt hip. On 6/23/06 realized he had scraped his rt knee on a concrete block, which was the source of the bacterial infection. Off work for approx. 3-4 weeks.","sourceDate":"2006-06-09"},{"SOURCE_ROW_NUMBER":"12083","DOCUMENT_NO":"220060120010","ACCIDENT_DT":"01/05/2006","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was replacing a safety guard in the tunnel.  Employee was lifting the safety guard and turning. Employee felt back go out.","sourceDate":"2006-01-05"},{"SOURCE_ROW_NUMBER":"274348","DOCUMENT_NO":"220041060029","ACCIDENT_DT":"04/07/2004","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"STEPPING OR KNEELING ON OBJECT","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Crane operator, Mobile equipment operator (MEO), Dragline operator, Dropball operator, Rigger","NO_INJURIES":"1","DAYS_LOST":"2","NARRATIVE":"Employee got out of loader, walked to cone crusher, stepped on a rock and rolled ankle.","sourceDate":"2004-04-07"},{"SOURCE_ROW_NUMBER":"33556","DOCUMENT_NO":"220020290017","ACCIDENT_DT":"01/21/2002","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator","NO_INJURIES":"1","DAYS_LOST":"3","NARRATIVE":"LOADER PASSED OVER UNEVEN GROUND CAUSING IT TO LURCH SIDE TO SIDE.","sourceDate":"2002-01-21"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"1995-10-04","lastDate":"1995-10-04","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":41,"firstDate":"2000-04-25","lastDate":"2026-05-27","metrics":{"ss":5,"delinquent":39,"recentRows":12,"paidPenalty":4562,"proposedPenalty":4562,"currentAssessment":4562},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3036626","VIOLATION_NO":"5107380","ISSUE_DT":"05/27/2026","CFR_STANDARD_CD":"47.41(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-05-27"},{"SOURCE_ROW_NUMBER":"3015534","VIOLATION_NO":"5107294","ISSUE_DT":"01/29/2026","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-01-29"},{"SOURCE_ROW_NUMBER":"3015533","VIOLATION_NO":"5107293","ISSUE_DT":"01/29/2026","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-01-29"},{"SOURCE_ROW_NUMBER":"2990344","VIOLATION_NO":"9505853","ISSUE_DT":"04/16/2025","CFR_STANDARD_CD":"56.12025","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-04-16"},{"SOURCE_ROW_NUMBER":"2990343","VIOLATION_NO":"9505852","ISSUE_DT":"04/16/2025","CFR_STANDARD_CD":"56.12025","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-04-16"},{"SOURCE_ROW_NUMBER":"2990342","VIOLATION_NO":"9505851","ISSUE_DT":"04/16/2025","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-04-16"},{"SOURCE_ROW_NUMBER":"2911952","VIOLATION_NO":"8882183","ISSUE_DT":"01/15/2025","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-01-15"},{"SOURCE_ROW_NUMBER":"2911951","VIOLATION_NO":"8882182","ISSUE_DT":"01/15/2025","CFR_STANDARD_CD":"56.11001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-01-15"},{"SOURCE_ROW_NUMBER":"2911950","VIOLATION_NO":"8882181","ISSUE_DT":"01/15/2025","CFR_STANDARD_CD":"56.11027","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-01-15"},{"SOURCE_ROW_NUMBER":"2635098","VIOLATION_NO":"9616951","ISSUE_DT":"10/12/2022","CFR_STANDARD_CD":"56.14110","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-10-12"},{"SOURCE_ROW_NUMBER":"2635074","VIOLATION_NO":"9616925","ISSUE_DT":"07/12/2022","CFR_STANDARD_CD":"56.14112(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-07-12"},{"SOURCE_ROW_NUMBER":"2634482","VIOLATION_NO":"9616709","ISSUE_DT":"03/25/2022","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-03-25"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":1,"firstDate":"2018-08-03","lastDate":"2018-08-03","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":2,"firstDate":"1995-07-01","lastDate":"2016-06-01","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":65,"firstDate":"2000-04-25","lastDate":"2026-05-26","metrics":{"inspectors":69,"recentRows":17,"onSiteHours":469.75,"inspectionHours":887.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1156665","EVENT_NO":"F03D380","INSPECTION_BEGIN_DT":"05/26/2026","INSPECTION_END_DT":"05/27/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"5.25","sourceDate":"2026-05-26"},{"SOURCE_ROW_NUMBER":"281120","EVENT_NO":"F02AE6C","INSPECTION_BEGIN_DT":"02/05/2026","INSPECTION_END_DT":"02/05/2026","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.75","SUM_TOTAL_ON_SITE_HOURS":"1.25","sourceDate":"2026-02-05"},{"SOURCE_ROW_NUMBER":"595202","EVENT_NO":"F02AE66","INSPECTION_BEGIN_DT":"01/29/2026","INSPECTION_END_DT":"01/29/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2026-01-29"},{"SOURCE_ROW_NUMBER":"84176","EVENT_NO":"F01AAFF","INSPECTION_BEGIN_DT":"04/16/2025","INSPECTION_END_DT":"04/17/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2025-04-16"},{"SOURCE_ROW_NUMBER":"285543","EVENT_NO":"F0159F2","INSPECTION_BEGIN_DT":"02/13/2025","INSPECTION_END_DT":"02/13/2025","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.25","SUM_TOTAL_ON_SITE_HOURS":"1.25","sourceDate":"2025-02-13"},{"SOURCE_ROW_NUMBER":"51213","EVENT_NO":"F00467B","INSPECTION_BEGIN_DT":"01/21/2025","INSPECTION_END_DT":"01/21/2025","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2025-01-21"},{"SOURCE_ROW_NUMBER":"1097414","EVENT_NO":"F004678","INSPECTION_BEGIN_DT":"01/13/2025","INSPECTION_END_DT":"01/15/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.75","SUM_TOTAL_ON_SITE_HOURS":"7.25","sourceDate":"2025-01-13"},{"SOURCE_ROW_NUMBER":"284006","EVENT_NO":"F0098C5","INSPECTION_BEGIN_DT":"07/31/2024","INSPECTION_END_DT":"07/31/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"7.25","sourceDate":"2024-07-31"},{"SOURCE_ROW_NUMBER":"850836","EVENT_NO":"6961389","INSPECTION_BEGIN_DT":"05/16/2024","INSPECTION_END_DT":"05/17/2024","ACTIVITY_CODE":"E22","ACTIVITY":"Health Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2024-05-16"},{"SOURCE_ROW_NUMBER":"802798","EVENT_NO":"6876557","INSPECTION_BEGIN_DT":"03/12/2024","INSPECTION_END_DT":"03/13/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.5","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2024-03-12"},{"SOURCE_ROW_NUMBER":"694985","EVENT_NO":"6973227","INSPECTION_BEGIN_DT":"07/19/2023","INSPECTION_END_DT":"07/19/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2023-07-19"},{"SOURCE_ROW_NUMBER":"624845","EVENT_NO":"6871348","INSPECTION_BEGIN_DT":"10/12/2022","INSPECTION_END_DT":"10/13/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.75","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2022-10-12"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":212,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":4377,"employees":9,"production":0},"2026-Q1":{"hours":5121,"employees":9,"production":0},"2025-Q4":{"hours":4673,"employees":9,"production":0},"2025-Q3":{"hours":5554,"employees":10,"production":0},"2025-Q2":{"hours":4905,"employees":10,"production":0},"2025-Q1":{"hours":6172,"employees":12,"production":0},"2024-Q4":{"hours":4782,"employees":9,"production":0},"2024-Q3":{"hours":5250,"employees":10,"production":0},"2024-Q2":{"hours":5250,"employees":10,"production":0},"2024-Q1":{"hours":5375,"employees":10,"production":0},"2023-Q4":{"hours":4420,"employees":9,"production":0},"2023-Q3":{"hours":5488,"employees":9,"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":54,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":17840,"employees":9,"production":0},"2018":{"hours":22385,"employees":11,"production":0},"2019":{"hours":20477,"employees":10,"production":0},"2020":{"hours":15937,"employees":8,"production":0},"2021":{"hours":13343,"employees":6,"production":0},"2022":{"hours":15958,"employees":8,"production":0},"2023":{"hours":19493,"employees":9,"production":0},"2024":{"hours":20657,"employees":10,"production":0},"2025":{"hours":21304,"employees":10,"production":0},"2026":{"hours":9498,"employees":9,"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":12,"firstDate":"2004-04-08","lastDate":"2024-05-16","metrics":{"recentRows":6,"actionTaken":12,"maxExposureRatio":0.71,"overExposureLimit":0,"exposureRatioTotal":1.32},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"281171","EVENT_NO":"6961389","SAMPLE_NO":"000000202402293100","SAMPLE_DATE":"05/16/2024","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Dredge/Barge Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2024-05-16"},{"SOURCE_ROW_NUMBER":"281170","EVENT_NO":"6961389","SAMPLE_NO":"000000202402293000","SAMPLE_DATE":"05/16/2024","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.23","EXPOSURE_LIMIT":"0000.85","C_OVER_E":"00.27","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2024-05-16"},{"SOURCE_ROW_NUMBER":"281169","EVENT_NO":"6961389","SAMPLE_NO":"000000202402292900","SAMPLE_DATE":"05/16/2024","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":"2024-05-16"},{"SOURCE_ROW_NUMBER":"261762","EVENT_NO":"6871185","SAMPLE_NO":"000000202203982000","SAMPLE_DATE":"09/20/2022","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":"2022-09-20"},{"SOURCE_ROW_NUMBER":"261761","EVENT_NO":"6871185","SAMPLE_NO":"000000202203981900","SAMPLE_DATE":"09/20/2022","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.15","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Mechanic","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-09-20"},{"SOURCE_ROW_NUMBER":"261760","EVENT_NO":"6871185","SAMPLE_NO":"000000202203981800","SAMPLE_DATE":"09/20/2022","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.21","EXPOSURE_LIMIT":"0000.62","C_OVER_E":"00.34","JOB_CD_DESC":"Mechanic","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-09-20"},{"SOURCE_ROW_NUMBER":"182563","EVENT_NO":"6662927","SAMPLE_NO":"000000201601214600","SAMPLE_DATE":"02/18/2016","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":"2016-02-18"},{"SOURCE_ROW_NUMBER":"165937","EVENT_NO":"1158571","SAMPLE_NO":"000000201300799200","SAMPLE_DATE":"01/23/2013","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2013-01-23"},{"SOURCE_ROW_NUMBER":"165936","EVENT_NO":"1158571","SAMPLE_NO":"000000201300799100","SAMPLE_DATE":"01/23/2013","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":"2013-01-23"},{"SOURCE_ROW_NUMBER":"78063","EVENT_NO":"1144661","SAMPLE_NO":"000000200904326800","SAMPLE_DATE":"04/29/2009","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":"2009-04-29"},{"SOURCE_ROW_NUMBER":"78062","EVENT_NO":"1144661","SAMPLE_NO":"000000200904326700","SAMPLE_DATE":"04/29/2009","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":"2009-04-29"},{"SOURCE_ROW_NUMBER":"41154","EVENT_NO":"1118394","SAMPLE_NO":"000000200403238300","SAMPLE_DATE":"04/08/2004","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.54","EXPOSURE_LIMIT":"0000.76","C_OVER_E":"00.71","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-04-08"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":41,"firstDate":"2000-04-25","lastDate":"2026-05-27","metrics":{"ss":5,"amountDue":4562,"contested":0,"amountPaid":4562,"recentRows":12,"section104d":0,"unterminated":0,"proposedPenalty":4562},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2470073","VIOLATION_NO":"5107380","VIOLATION_ISSUE_DT":"05/27/2026","SIG_SUB":"N","PART_SECTION":"47.41(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/27/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-05-27"},{"SOURCE_ROW_NUMBER":"2470054","VIOLATION_NO":"5107294","VIOLATION_ISSUE_DT":"01/29/2026","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/05/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-01-29"},{"SOURCE_ROW_NUMBER":"2470053","VIOLATION_NO":"5107293","VIOLATION_ISSUE_DT":"01/29/2026","SIG_SUB":"N","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/05/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-01-29"},{"SOURCE_ROW_NUMBER":"2470061","VIOLATION_NO":"9505853","VIOLATION_ISSUE_DT":"04/16/2025","SIG_SUB":"Y","PART_SECTION":"56.12025","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/16/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-04-16"},{"SOURCE_ROW_NUMBER":"2470060","VIOLATION_NO":"9505852","VIOLATION_ISSUE_DT":"04/16/2025","SIG_SUB":"N","PART_SECTION":"56.12025","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/16/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-04-16"},{"SOURCE_ROW_NUMBER":"2470059","VIOLATION_NO":"9505851","VIOLATION_ISSUE_DT":"04/16/2025","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/16/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-04-16"},{"SOURCE_ROW_NUMBER":"2470050","VIOLATION_NO":"8882183","VIOLATION_ISSUE_DT":"01/15/2025","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/21/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-01-15"},{"SOURCE_ROW_NUMBER":"2470049","VIOLATION_NO":"8882182","VIOLATION_ISSUE_DT":"01/15/2025","SIG_SUB":"N","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/13/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-01-15"},{"SOURCE_ROW_NUMBER":"2470048","VIOLATION_NO":"8882181","VIOLATION_ISSUE_DT":"01/15/2025","SIG_SUB":"N","PART_SECTION":"56.11027","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/13/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-01-15"},{"SOURCE_ROW_NUMBER":"2470086","VIOLATION_NO":"9616951","VIOLATION_ISSUE_DT":"10/12/2022","SIG_SUB":"N","PART_SECTION":"56.14110","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/12/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-10-12"},{"SOURCE_ROW_NUMBER":"2470080","VIOLATION_NO":"9616925","VIOLATION_ISSUE_DT":"07/12/2022","SIG_SUB":"N","PART_SECTION":"56.14112(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/12/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-07-12"},{"SOURCE_ROW_NUMBER":"2470058","VIOLATION_NO":"9616709","VIOLATION_ISSUE_DT":"03/25/2022","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/25/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-03-25"}]}],"safety":{"href":"/api/v1/mines/4503341/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4503341/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","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":"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":3},{"chapter":"I","heading":"Handrails and toeboards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002","part":"56","subchapter":"K","subpart":"J","id":"56.11002","citation":"30 CFR 56.11002","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":"Grounding circuit enclosures.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025","part":"56","subchapter":"K","subpart":"K","id":"56.12025","citation":"30 CFR 56.12025","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"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":"Safe access.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001","part":"56","subchapter":"K","subpart":"J","id":"56.11001","citation":"30 CFR 56.11001","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":"Scaffolds and working platforms.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11027","part":"56","subchapter":"K","subpart":"J","id":"56.11027","citation":"30 CFR 56.11027","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":"Flying or falling materials.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14110","part":"56","subchapter":"K","subpart":"M","id":"56.14110","citation":"30 CFR 56.14110","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Construction and maintenance of guards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112","part":"56","subchapter":"K","subpart":"M","id":"56.14112","citation":"30 CFR 56.14112","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4503341","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}