{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2002704","name":"Round Lake","status":"Abandoned","status_date":"2025-06-30","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MI","county":"Lenawee","nearest_town":"WEST MILL GROVE","operator_id":"0088664","operator_name":"Gerken Materials Inc.","controller_id":"M08470","controller_name":"Brent  Gerken; Michael J  Gerken","district":"M4","office":"Lansing MI Field Office","employees":0,"latitude":42.013333,"longitude":-84.276111},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":421},"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":"2002704","name":"Round Lake"},"operator":{"type":"operator","id":"0088664","name":"Gerken Materials Inc."},"controller":{"type":"controller","id":"M08470","name":"Brent  Gerken; Michael J  Gerken"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05452","name":"Karen S  Wells et al"},"object":{"type":"mine","id":"2002704","name":"Round Lake"},"validFrom":"1982-12-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|M05452|1982-12-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06837","name":"Wells Sand & Gravel"},"object":{"type":"mine","id":"2002704","name":"Round Lake"},"validFrom":"1983-07-01","validTo":"1984-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|L06837|1983-07-01|1984-04-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05452","name":"Karen S  Wells et al"},"object":{"type":"operator","id":"L06837","name":"Wells Sand & Gravel"},"validFrom":"1983-07-01","validTo":"1984-04-30","current":false,"derived":true,"evidenceMineId":"2002704","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|L06837|1983-07-01|M05452|1982-12-28|134665"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05452","name":"John W  Wells et al"},"object":{"type":"operator","id":"L06837","name":"Wells Sand & Gravel"},"validFrom":"1983-07-01","validTo":"1984-04-30","current":false,"derived":true,"evidenceMineId":"2002704","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|L06837|1983-07-01|M05452|1982-12-28|134666"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08124","name":"Round Lake Sand & Gravel"},"object":{"type":"mine","id":"2002704","name":"Round Lake"},"validFrom":"1984-05-01","validTo":"2007-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|L08124|1984-05-01|2007-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06460","name":"Donald  MacRitchie  et al"},"object":{"type":"mine","id":"2002704","name":"Round Lake"},"validFrom":"1984-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|M06460|1984-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06460","name":"Donald  MacRitchie  et al"},"object":{"type":"operator","id":"L08124","name":"Round Lake Sand & Gravel"},"validFrom":"1984-05-01","validTo":"2007-12-31","current":false,"derived":true,"evidenceMineId":"2002704","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|L08124|1984-05-01|M06460|1984-05-01|138591"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06460","name":"Ronald  MacRitchie  et al"},"object":{"type":"operator","id":"L08124","name":"Round Lake Sand & Gravel"},"validFrom":"1984-05-01","validTo":"2007-12-31","current":false,"derived":true,"evidenceMineId":"2002704","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|L08124|1984-05-01|M06460|1984-05-01|138592"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0088664","name":"Gerken Materials Inc."},"object":{"type":"mine","id":"2002704","name":"Round Lake"},"validFrom":"2008-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|0088664|2008-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08470","name":"Brent  Gerken et al"},"object":{"type":"mine","id":"2002704","name":"Round Lake"},"validFrom":"2008-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|M08470|2008-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08470","name":"Brent  Gerken et al"},"object":{"type":"operator","id":"0088664","name":"Gerken Materials Inc."},"validFrom":"2008-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2002704","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|0088664|2008-01-01|M08470|2008-01-01|143464"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08470","name":"Michael J  Gerken et al"},"object":{"type":"operator","id":"0088664","name":"Gerken Materials Inc."},"validFrom":"2008-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2002704","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002704|0088664|2008-01-01|M08470|2008-01-01|143465"}}],"coverage":{"historyRecords":6,"edgeCount":12,"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":6,"firstDate":"2000-03-15","lastDate":"2017-03-13","metrics":{"daysLost":96,"injuries":6,"fatalities":0,"recentRows":0,"restrictedDays":35,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"74803","DOCUMENT_NO":"220170870001","ACCIDENT_DT":"03/13/2017","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"39","NARRATIVE":"Employee was removing steps from crusher platform and they fell on employee's foot.","sourceDate":"2017-03-13"},{"SOURCE_ROW_NUMBER":"255563","DOCUMENT_NO":"220131120010","ACCIDENT_DT":"04/15/2013","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator","NO_INJURIES":"1","DAYS_LOST":"31","NARRATIVE":"Was standing on work boat, lining a pipe up and stepped back off boat and hyper extended left knee.","sourceDate":"2013-04-15"},{"SOURCE_ROW_NUMBER":"190900","DOCUMENT_NO":"220130730004","ACCIDENT_DT":"03/06/2013","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"9","NARRATIVE":"Employee was walking and slipped on ice a felt a pop on ankle. Fibula fracture.","sourceDate":"2013-03-06"},{"SOURCE_ROW_NUMBER":"216860","DOCUMENT_NO":"220110730057","ACCIDENT_DT":"03/07/2011","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Outside foreman, Leadman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was cutting crown rubber on screen plant and cut his finger on his left hand. This resulted in 5 stitches to his finger.","sourceDate":"2011-03-07"},{"SOURCE_ROW_NUMBER":"100493","DOCUMENT_NO":"220071340067","ACCIDENT_DT":"05/08/2007","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was standing on conveyor, cleaning hopper, when he slipped and strained his left knee.","sourceDate":"2007-05-08"},{"SOURCE_ROW_NUMBER":"216859","DOCUMENT_NO":"220001780054","ACCIDENT_DT":"03/15/2000","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Over-exertion in pulling or pushing objects","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"17","NARRATIVE":"WORKING ON EQUIPMENT AND A RACHET BROKE WHEN PRIED AND THE FORCE FROM PRYBAR HURT BACK. INJURY WAS NOT REPORTED TO SUPERVISOR AT TIME OF INJURY.","sourceDate":"2000-03-15"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2025-06-30","lastDate":"2025-06-30","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":71,"firstDate":"2000-06-22","lastDate":"2020-04-27","metrics":{"ss":14,"delinquent":67,"recentRows":0,"paidPenalty":12069,"proposedPenalty":12069,"currentAssessment":12069},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2592034","VIOLATION_NO":"9389038","ISSUE_DT":"04/27/2020","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-04-27"},{"SOURCE_ROW_NUMBER":"2592033","VIOLATION_NO":"9389037","ISSUE_DT":"04/27/2020","CFR_STANDARD_CD":"56.14200","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-04-27"},{"SOURCE_ROW_NUMBER":"2461117","VIOLATION_NO":"8953665","ISSUE_DT":"02/13/2019","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-02-13"},{"SOURCE_ROW_NUMBER":"2461116","VIOLATION_NO":"8953664","ISSUE_DT":"02/13/2019","CFR_STANDARD_CD":"56.14101(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-02-13"},{"SOURCE_ROW_NUMBER":"2461115","VIOLATION_NO":"8953663","ISSUE_DT":"02/13/2019","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-02-13"},{"SOURCE_ROW_NUMBER":"2457102","VIOLATION_NO":"8955363","ISSUE_DT":"08/14/2018","CFR_STANDARD_CD":"56.12018","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-08-14"},{"SOURCE_ROW_NUMBER":"2457101","VIOLATION_NO":"8955359","ISSUE_DT":"08/14/2018","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-08-14"},{"SOURCE_ROW_NUMBER":"2457100","VIOLATION_NO":"8955358","ISSUE_DT":"08/14/2018","CFR_STANDARD_CD":"56.14207","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-08-14"},{"SOURCE_ROW_NUMBER":"2395211","VIOLATION_NO":"8952729","ISSUE_DT":"12/27/2017","CFR_STANDARD_CD":"56.11001","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"197.00","CURRENT_ASSESSMENT_AMT":"197.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-12-27"},{"SOURCE_ROW_NUMBER":"2394097","VIOLATION_NO":"8885286","ISSUE_DT":"10/06/2016","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-10-06"},{"SOURCE_ROW_NUMBER":"2394096","VIOLATION_NO":"8885285","ISSUE_DT":"10/06/2016","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-10-06"},{"SOURCE_ROW_NUMBER":"2394095","VIOLATION_NO":"8885284","ISSUE_DT":"10/06/2016","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-10-06"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":6,"firstDate":"1983-07-01","lastDate":"2008-01-01","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":4},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":41,"firstDate":"2000-06-22","lastDate":"2025-06-23","metrics":{"inspectors":42,"recentRows":5,"onSiteHours":255.75,"inspectionHours":466,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"146032","EVENT_NO":"F01FB8D","INSPECTION_BEGIN_DT":"06/23/2025","INSPECTION_END_DT":"06/23/2025","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2025-06-23"},{"SOURCE_ROW_NUMBER":"191806","EVENT_NO":"6908202","INSPECTION_BEGIN_DT":"11/14/2022","INSPECTION_END_DT":"11/14/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2022-11-14"},{"SOURCE_ROW_NUMBER":"60057","EVENT_NO":"6748497","INSPECTION_BEGIN_DT":"10/19/2022","INSPECTION_END_DT":"10/19/2022","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2022-10-19"},{"SOURCE_ROW_NUMBER":"907898","EVENT_NO":"7030451","INSPECTION_BEGIN_DT":"06/08/2022","INSPECTION_END_DT":"06/08/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.25","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2022-06-08"},{"SOURCE_ROW_NUMBER":"736544","EVENT_NO":"6704673","INSPECTION_BEGIN_DT":"05/18/2021","INSPECTION_END_DT":"05/18/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"1.75","sourceDate":"2021-05-18"},{"SOURCE_ROW_NUMBER":"234999","EVENT_NO":"6835552","INSPECTION_BEGIN_DT":"04/27/2020","INSPECTION_END_DT":"04/27/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.75","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2020-04-27"},{"SOURCE_ROW_NUMBER":"1154533","EVENT_NO":"6833147","INSPECTION_BEGIN_DT":"06/10/2019","INSPECTION_END_DT":"06/11/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2019-06-10"},{"SOURCE_ROW_NUMBER":"939370","EVENT_NO":"6748579","INSPECTION_BEGIN_DT":"06/03/2019","INSPECTION_END_DT":"06/03/2019","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2019-06-03"},{"SOURCE_ROW_NUMBER":"776972","EVENT_NO":"6748733","INSPECTION_BEGIN_DT":"02/19/2019","INSPECTION_END_DT":"02/19/2019","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"1.25","sourceDate":"2019-02-19"},{"SOURCE_ROW_NUMBER":"395253","EVENT_NO":"6748732","INSPECTION_BEGIN_DT":"02/13/2019","INSPECTION_END_DT":"02/13/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.5","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2019-02-13"},{"SOURCE_ROW_NUMBER":"580753","EVENT_NO":"6746793","INSPECTION_BEGIN_DT":"08/14/2018","INSPECTION_END_DT":"08/14/2018","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.25","SUM_TOTAL_ON_SITE_HOURS":"6.25","sourceDate":"2018-08-14"},{"SOURCE_ROW_NUMBER":"174884","EVENT_NO":"6709867","INSPECTION_BEGIN_DT":"12/27/2017","INSPECTION_END_DT":"12/28/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.25","SUM_TOTAL_ON_SITE_HOURS":"7.25","sourceDate":"2017-12-27"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":171,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2022-Q3":{"hours":8,"employees":1,"production":0},"2022-Q2":{"hours":10,"employees":1,"production":0},"2022-Q1":{"hours":8,"employees":1,"production":0},"2021-Q4":{"hours":10,"employees":1,"production":0},"2021-Q3":{"hours":10,"employees":1,"production":0},"2021-Q2":{"hours":8,"employees":1,"production":0},"2021-Q1":{"hours":0,"employees":0,"production":0},"2020-Q4":{"hours":246,"employees":1,"production":0},"2020-Q3":{"hours":480,"employees":1,"production":0},"2020-Q2":{"hours":691,"employees":2,"production":0},"2019-Q2":{"hours":5795,"employees":13,"production":0},"2019-Q1":{"hours":4497,"employees":11,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":44,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2013":{"hours":18492,"employees":11,"production":0},"2014":{"hours":18914,"employees":11,"production":0},"2015":{"hours":19796,"employees":10,"production":0},"2016":{"hours":18876,"employees":9,"production":0},"2017":{"hours":24792,"employees":12,"production":0},"2018":{"hours":25801,"employees":12,"production":0},"2019":{"hours":10292,"employees":12,"production":0},"2020":{"hours":1417,"employees":1,"production":0},"2021":{"hours":28,"employees":1,"production":0},"2022":{"hours":26,"employees":1,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":8,"firstDate":"2004-07-29","lastDate":"2015-09-29","metrics":{"recentRows":0,"actionTaken":8,"maxExposureRatio":0.16,"overExposureLimit":0,"exposureRatioTotal":0.16},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"174133","EVENT_NO":"6703736","SAMPLE_NO":"000000201510140500","SAMPLE_DATE":"09/29/2015","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":"2015-09-29"},{"SOURCE_ROW_NUMBER":"174132","EVENT_NO":"6703736","SAMPLE_NO":"000000201510140400","SAMPLE_DATE":"09/29/2015","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":"2015-09-29"},{"SOURCE_ROW_NUMBER":"174131","EVENT_NO":"6703736","SAMPLE_NO":"000000201510140300","SAMPLE_DATE":"09/29/2015","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Washer Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2015-09-29"},{"SOURCE_ROW_NUMBER":"102435","EVENT_NO":"6515168","SAMPLE_NO":"000000201005334500","SAMPLE_DATE":"06/03/2010","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.26","EXPOSURE_LIMIT":"0001.61","C_OVER_E":"00.16","JOB_CD_DESC":"Supervisor, Co. Official","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-06-03"},{"SOURCE_ROW_NUMBER":"102434","EVENT_NO":"6515168","SAMPLE_NO":"000000201005334400","SAMPLE_DATE":"06/03/2010","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":"2010-06-03"},{"SOURCE_ROW_NUMBER":"102433","EVENT_NO":"6515168","SAMPLE_NO":"000000201005334300","SAMPLE_DATE":"06/03/2010","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Washer Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-06-03"},{"SOURCE_ROW_NUMBER":"28892","EVENT_NO":"0985469","SAMPLE_NO":"000000200408101300","SAMPLE_DATE":"07/29/2004","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.16","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Cleanup Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-07-29"},{"SOURCE_ROW_NUMBER":"28891","EVENT_NO":"0985469","SAMPLE_NO":"000000200408101200","SAMPLE_DATE":"07/29/2004","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.14","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-07-29"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":72,"firstDate":"2000-06-22","lastDate":"2020-04-27","metrics":{"ss":14,"amountDue":12069,"contested":0,"amountPaid":12069,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":12069},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1311965","VIOLATION_NO":"9389038","VIOLATION_ISSUE_DT":"04/27/2020","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/27/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-04-27"},{"SOURCE_ROW_NUMBER":"1311964","VIOLATION_NO":"9389037","VIOLATION_ISSUE_DT":"04/27/2020","SIG_SUB":"N","PART_SECTION":"56.14200","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/27/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-04-27"},{"SOURCE_ROW_NUMBER":"1311960","VIOLATION_NO":"8953665","VIOLATION_ISSUE_DT":"02/13/2019","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/13/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-02-13"},{"SOURCE_ROW_NUMBER":"1311959","VIOLATION_NO":"8953664","VIOLATION_ISSUE_DT":"02/13/2019","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/03/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-02-13"},{"SOURCE_ROW_NUMBER":"1311958","VIOLATION_NO":"8953663","VIOLATION_ISSUE_DT":"02/13/2019","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/13/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-02-13"},{"SOURCE_ROW_NUMBER":"1311989","VIOLATION_NO":"8955363","VIOLATION_ISSUE_DT":"08/14/2018","SIG_SUB":"N","PART_SECTION":"56.12018","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/14/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-08-14"},{"SOURCE_ROW_NUMBER":"1311988","VIOLATION_NO":"8955359","VIOLATION_ISSUE_DT":"08/14/2018","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/14/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-08-14"},{"SOURCE_ROW_NUMBER":"1311987","VIOLATION_NO":"8955358","VIOLATION_ISSUE_DT":"08/14/2018","SIG_SUB":"N","PART_SECTION":"56.14207","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/14/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-08-14"},{"SOURCE_ROW_NUMBER":"1312029","VIOLATION_NO":"8952729","VIOLATION_ISSUE_DT":"12/27/2017","SIG_SUB":"Y","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/28/2017","PROPOSED_PENALTY":"197","AMOUNT_DUE":"197","AMOUNT_PAID":"197","CONTESTED_IND":"N","sourceDate":"2017-12-27"},{"SOURCE_ROW_NUMBER":"1312028","VIOLATION_NO":"8952728","VIOLATION_ISSUE_DT":"12/27/2017","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"12/27/2017","CONTESTED_IND":"N","sourceDate":"2017-12-27"},{"SOURCE_ROW_NUMBER":"1312011","VIOLATION_NO":"8885286","VIOLATION_ISSUE_DT":"10/06/2016","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/07/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-10-06"},{"SOURCE_ROW_NUMBER":"1312010","VIOLATION_NO":"8885285","VIOLATION_ISSUE_DT":"10/06/2016","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/06/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-10-06"}]}],"safety":{"href":"/api/v1/mines/2002704/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2002704/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":"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":"Warnings prior to starting or moving equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14200","part":"56","subchapter":"K","subpart":"M","id":"56.14200","citation":"30 CFR 56.14200","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":"Horns and backup alarms.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132","part":"56","subchapter":"K","subpart":"M","id":"56.14132","citation":"30 CFR 56.14132","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":"Brakes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101","part":"56","subchapter":"K","subpart":"M","id":"56.14101","citation":"30 CFR 56.14101","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":"Identification of power switches.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018","part":"56","subchapter":"K","subpart":"K","id":"56.12018","citation":"30 CFR 56.12018","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":"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":"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":"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2002704","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}