{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4100116","name":"LUEDERS QUARRY","status":"Abandoned","status_date":"2020-02-18","mine_type":"Surface","coal_metal":"M","commodity":"Dimension Limestone","state":"TX","county":"Shackelford","nearest_town":"Lueders","operator_id":"L17877","operator_name":"Acme Brick Company","controller_id":"M13643","controller_name":"Berkshire Hathaway Inc","district":"M5","office":"Dallas TX Field Office","employees":0,"latitude":32.770278,"longitude":-99.615556},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":285},"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":"4100116","name":"LUEDERS QUARRY"},"operator":{"type":"operator","id":"L17877","name":"Acme Brick Company"},"controller":{"type":"controller","id":"M13643","name":"Berkshire Hathaway Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02592","name":"Featherlite Building Products Corp"},"object":{"type":"mine","id":"4100116","name":"LUEDERS QUARRY"},"validFrom":"1950-01-01","validTo":"2000-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|L02592|1950-01-01|2000-07-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00009","name":"Justin Industries Inc"},"object":{"type":"mine","id":"4100116","name":"LUEDERS QUARRY"},"validFrom":"1950-01-01","validTo":"2001-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|M00009|1950-01-01|2001-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00009","name":"Justin Industries Inc"},"object":{"type":"operator","id":"L02592","name":"Featherlite Building Products Corp"},"validFrom":"1950-01-01","validTo":"2000-07-31","current":false,"derived":true,"evidenceMineId":"4100116","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|L02592|1950-01-01|M00009|1950-01-01|101183"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13643","name":"Berkshire Hathaway Inc"},"object":{"type":"mine","id":"4100116","name":"LUEDERS QUARRY"},"validFrom":"2000-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|M13643|2000-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17878","name":"Acme Building Brands"},"object":{"type":"mine","id":"4100116","name":"LUEDERS QUARRY"},"validFrom":"2000-08-01","validTo":"2001-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|L17878|2000-08-01|2001-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13643","name":"Berkshire Hathaway Inc"},"object":{"type":"mine","id":"4100116","name":"LUEDERS QUARRY"},"validFrom":"2000-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|M13643|2000-08-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13643","name":"Berkshire Hathaway Inc"},"object":{"type":"operator","id":"L17878","name":"Acme Building Brands"},"validFrom":"2000-08-01","validTo":"2001-12-31","current":false,"derived":true,"evidenceMineId":"4100116","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|L17878|2000-08-01|M13643|2000-08-01|156682"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02592","name":"Featherlite Bldg. Prod. Corp."},"object":{"type":"mine","id":"4100116","name":"LUEDERS QUARRY"},"validFrom":"2002-01-01","validTo":"2005-09-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|L02592|2002-01-01|2005-09-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00009","name":"Justin Industries Inc"},"object":{"type":"operator","id":"L02592","name":"Featherlite Bldg. Prod. Corp."},"validFrom":"2002-01-01","validTo":"2001-12-31","current":false,"derived":true,"evidenceMineId":"4100116","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|L02592|2002-01-01|M00009|1950-01-01|101184"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13643","name":"Berkshire Hathaway Inc"},"object":{"type":"mine","id":"4100116","name":"LUEDERS QUARRY"},"validFrom":"2002-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|M13643|2002-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13643","name":"Berkshire Hathaway Inc"},"object":{"type":"operator","id":"L02592","name":"Featherlite Building Products Corp"},"validFrom":"2002-01-01","validTo":"2000-07-31","current":false,"derived":true,"evidenceMineId":"4100116","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|L02592|1950-01-01|M13643|2002-01-01|156693"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13643","name":"Berkshire Hathaway Inc"},"object":{"type":"operator","id":"L02592","name":"Featherlite Bldg. Prod. Corp."},"validFrom":"2002-01-01","validTo":"2005-09-26","current":false,"derived":true,"evidenceMineId":"4100116","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|L02592|2002-01-01|M13643|2002-01-01|156694"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17877","name":"Acme Brick Company"},"object":{"type":"mine","id":"4100116","name":"LUEDERS QUARRY"},"validFrom":"2005-09-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|L17877|2005-09-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13643","name":"Berkshire Hathaway Inc"},"object":{"type":"operator","id":"L17877","name":"Acme Brick Company"},"validFrom":"2005-09-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"4100116","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4100116|L17877|2005-09-27|M13643|2000-07-01|156661"}}],"coverage":{"historyRecords":6,"edgeCount":14,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2020-02-18","lastDate":"2020-02-18","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":22,"firstDate":"2002-05-15","lastDate":"2017-12-13","metrics":{"ss":1,"delinquent":22,"recentRows":0,"paidPenalty":2059,"proposedPenalty":2059,"currentAssessment":2059},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2441801","VIOLATION_NO":"8973769","ISSUE_DT":"12/13/2017","CFR_STANDARD_CD":"50.30(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":"2017-12-13"},{"SOURCE_ROW_NUMBER":"2441800","VIOLATION_NO":"8973768","ISSUE_DT":"12/13/2017","CFR_STANDARD_CD":"56.4201(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-12-13"},{"SOURCE_ROW_NUMBER":"2527985","VIOLATION_NO":"9351147","ISSUE_DT":"09/18/2017","CFR_STANDARD_CD":"46.9(b)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-09-18"},{"SOURCE_ROW_NUMBER":"2527984","VIOLATION_NO":"9351146","ISSUE_DT":"09/18/2017","CFR_STANDARD_CD":"46.3(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-09-18"},{"SOURCE_ROW_NUMBER":"2428375","VIOLATION_NO":"8961511","ISSUE_DT":"07/19/2016","CFR_STANDARD_CD":"56.14132(b)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-07-19"},{"SOURCE_ROW_NUMBER":"2315132","VIOLATION_NO":"8858159","ISSUE_DT":"06/03/2015","CFR_STANDARD_CD":"56.4201(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"2303608","VIOLATION_NO":"8858027","ISSUE_DT":"12/09/2014","CFR_STANDARD_CD":"56.16009","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"127.00","CURRENT_ASSESSMENT_AMT":"127.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2014-12-09"},{"SOURCE_ROW_NUMBER":"2297156","VIOLATION_NO":"8768200","ISSUE_DT":"03/18/2014","CFR_STANDARD_CD":"56.14100(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":"2014-03-18"},{"SOURCE_ROW_NUMBER":"2206240","VIOLATION_NO":"8623316","ISSUE_DT":"11/21/2011","CFR_STANDARD_CD":"50.30(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":"2011-11-21"},{"SOURCE_ROW_NUMBER":"2206239","VIOLATION_NO":"8623315","ISSUE_DT":"11/16/2011","CFR_STANDARD_CD":"56.14100(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":"2011-11-16"},{"SOURCE_ROW_NUMBER":"2206238","VIOLATION_NO":"8623314","ISSUE_DT":"11/16/2011","CFR_STANDARD_CD":"56.14100(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":"2011-11-16"},{"SOURCE_ROW_NUMBER":"2106787","VIOLATION_NO":"6579458","ISSUE_DT":"12/14/2010","CFR_STANDARD_CD":"46.9(b)(5)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-12-14"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":3,"firstDate":"2002-07-11","lastDate":"2007-04-09","metrics":{"linkedIssuances":3},"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":6,"firstDate":"1950-01-01","lastDate":"2005-09-27","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":5},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":42,"firstDate":"2000-03-09","lastDate":"2019-11-04","metrics":{"inspectors":42,"recentRows":0,"onSiteHours":210,"inspectionHours":417.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"623721","EVENT_NO":"6882111","INSPECTION_BEGIN_DT":"11/04/2019","INSPECTION_END_DT":"11/05/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2019-11-04"},{"SOURCE_ROW_NUMBER":"136384","EVENT_NO":"6807156","INSPECTION_BEGIN_DT":"05/01/2019","INSPECTION_END_DT":"05/01/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1.75","sourceDate":"2019-05-01"},{"SOURCE_ROW_NUMBER":"823590","EVENT_NO":"6807122","INSPECTION_BEGIN_DT":"12/12/2018","INSPECTION_END_DT":"12/12/2018","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":"2018-12-12"},{"SOURCE_ROW_NUMBER":"536427","EVENT_NO":"1053379","INSPECTION_BEGIN_DT":"09/18/2018","INSPECTION_END_DT":"09/18/2018","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.75","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2018-09-18"},{"SOURCE_ROW_NUMBER":"558084","EVENT_NO":"6739555","INSPECTION_BEGIN_DT":"12/13/2017","INSPECTION_END_DT":"12/13/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2017-12-13"},{"SOURCE_ROW_NUMBER":"1071538","EVENT_NO":"6801920","INSPECTION_BEGIN_DT":"09/13/2017","INSPECTION_END_DT":"09/13/2017","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.5","SUM_TOTAL_ON_SITE_HOURS":"9.5","sourceDate":"2017-09-13"},{"SOURCE_ROW_NUMBER":"972530","EVENT_NO":"6801917","INSPECTION_BEGIN_DT":"09/06/2017","INSPECTION_END_DT":"09/06/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20.75","SUM_TOTAL_ON_SITE_HOURS":"8.5","sourceDate":"2017-09-06"},{"SOURCE_ROW_NUMBER":"196393","EVENT_NO":"6739502","INSPECTION_BEGIN_DT":"03/15/2017","INSPECTION_END_DT":"03/16/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2017-03-15"},{"SOURCE_ROW_NUMBER":"714079","EVENT_NO":"6733444","INSPECTION_BEGIN_DT":"07/18/2016","INSPECTION_END_DT":"07/20/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.25","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2016-07-18"},{"SOURCE_ROW_NUMBER":"543257","EVENT_NO":"6733408","INSPECTION_BEGIN_DT":"02/09/2016","INSPECTION_END_DT":"02/11/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2016-02-09"},{"SOURCE_ROW_NUMBER":"1082068","EVENT_NO":"6659438","INSPECTION_BEGIN_DT":"06/03/2015","INSPECTION_END_DT":"06/04/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"249579","EVENT_NO":"6654195","INSPECTION_BEGIN_DT":"12/08/2014","INSPECTION_END_DT":"12/09/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.75","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2014-12-08"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":157,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2019-Q2":{"hours":430,"employees":2,"production":0},"2019-Q1":{"hours":856,"employees":2,"production":0},"2018-Q4":{"hours":952,"employees":2,"production":0},"2018-Q3":{"hours":1319,"employees":3,"production":0},"2018-Q2":{"hours":1409,"employees":3,"production":0},"2018-Q1":{"hours":1555,"employees":4,"production":0},"2017-Q4":{"hours":2229,"employees":4,"production":0},"2017-Q3":{"hours":2373,"employees":4,"production":0},"2017-Q2":{"hours":1391,"employees":4,"production":0},"2017-Q1":{"hours":2019,"employees":4,"production":0},"2016-Q4":{"hours":2366,"employees":4,"production":0},"2016-Q3":{"hours":2751,"employees":6,"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":21,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2010":{"hours":2896,"employees":3,"production":0},"2011":{"hours":3832,"employees":2,"production":0},"2012":{"hours":3811,"employees":2,"production":0},"2013":{"hours":3479,"employees":2,"production":0},"2014":{"hours":3765,"employees":2,"production":0},"2015":{"hours":4205,"employees":3,"production":0},"2016":{"hours":10670,"employees":5,"production":0},"2017":{"hours":8012,"employees":4,"production":0},"2018":{"hours":5235,"employees":3,"production":0},"2019":{"hours":1286,"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":"2003-11-05","lastDate":"2017-09-13","metrics":{"recentRows":0,"actionTaken":10,"maxExposureRatio":0.23,"overExposureLimit":0,"exposureRatioTotal":0.94},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"215983","EVENT_NO":"6801920","SAMPLE_NO":"000000201705470000","SAMPLE_DATE":"09/13/2017","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.22","EXPOSURE_LIMIT":"0001.09","C_OVER_E":"00.20","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2017-09-13"},{"SOURCE_ROW_NUMBER":"215982","EVENT_NO":"6801920","SAMPLE_NO":"000000201705469900","SAMPLE_DATE":"09/13/2017","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.36","EXPOSURE_LIMIT":"0001.86","C_OVER_E":"00.19","JOB_CD_DESC":"Rotary Bucket Ex. Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2017-09-13"},{"SOURCE_ROW_NUMBER":"171113","EVENT_NO":"6607213","SAMPLE_NO":"000000201208284400","SAMPLE_DATE":"09/19/2012","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.74","EXPOSURE_LIMIT":"0003.17","C_OVER_E":"00.23","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2012-09-19"},{"SOURCE_ROW_NUMBER":"171112","EVENT_NO":"6607213","SAMPLE_NO":"000000201208284300","SAMPLE_DATE":"09/19/2012","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":"2012-09-19"},{"SOURCE_ROW_NUMBER":"103498","EVENT_NO":"1062404","SAMPLE_NO":"000000200907111200","SAMPLE_DATE":"07/14/2009","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.21","EXPOSURE_LIMIT":"0001.12","C_OVER_E":"00.19","JOB_CD_DESC":"Bulldozer Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2009-07-14"},{"SOURCE_ROW_NUMBER":"103497","EVENT_NO":"1062404","SAMPLE_NO":"000000200907111100","SAMPLE_DATE":"07/14/2009","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":"2009-07-14"},{"SOURCE_ROW_NUMBER":"103496","EVENT_NO":"1062404","SAMPLE_NO":"000000200907111000","SAMPLE_DATE":"07/14/2009","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":"2009-07-14"},{"SOURCE_ROW_NUMBER":"45276","EVENT_NO":"1027797","SAMPLE_NO":"000000200308892300","SAMPLE_DATE":"11/05/2003","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-11-05"},{"SOURCE_ROW_NUMBER":"45275","EVENT_NO":"1027797","SAMPLE_NO":"000000200308892200","SAMPLE_DATE":"11/05/2003","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.27","EXPOSURE_LIMIT":"0002.13","C_OVER_E":"00.13","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-11-05"},{"SOURCE_ROW_NUMBER":"45274","EVENT_NO":"1027797","SAMPLE_NO":"000000200308892100","SAMPLE_DATE":"11/05/2003","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.18","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-11-05"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":22,"firstDate":"2002-05-15","lastDate":"2017-12-13","metrics":{"ss":1,"amountDue":2059,"contested":0,"amountPaid":2059,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":2059},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2099731","VIOLATION_NO":"8973769","VIOLATION_ISSUE_DT":"12/13/2017","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/13/2017","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2017-12-13"},{"SOURCE_ROW_NUMBER":"2099730","VIOLATION_NO":"8973768","VIOLATION_ISSUE_DT":"12/13/2017","SIG_SUB":"N","PART_SECTION":"56.4201(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/14/2017","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2017-12-13"},{"SOURCE_ROW_NUMBER":"2099723","VIOLATION_NO":"9351147","VIOLATION_ISSUE_DT":"09/18/2017","SIG_SUB":"N","PART_SECTION":"46.9(b)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"10/10/2017","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"116","CONTESTED_IND":"N","sourceDate":"2017-09-18"},{"SOURCE_ROW_NUMBER":"2099722","VIOLATION_NO":"9351146","VIOLATION_ISSUE_DT":"09/18/2017","SIG_SUB":"N","PART_SECTION":"46.3(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/10/2017","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"116","CONTESTED_IND":"N","sourceDate":"2017-09-18"},{"SOURCE_ROW_NUMBER":"2099721","VIOLATION_NO":"8961511","VIOLATION_ISSUE_DT":"07/19/2016","SIG_SUB":"N","PART_SECTION":"56.14132(b)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/19/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-07-19"},{"SOURCE_ROW_NUMBER":"2099720","VIOLATION_NO":"8858159","VIOLATION_ISSUE_DT":"06/03/2015","SIG_SUB":"N","PART_SECTION":"56.4201(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/04/2015","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2015-06-03"},{"SOURCE_ROW_NUMBER":"2099729","VIOLATION_NO":"8858027","VIOLATION_ISSUE_DT":"12/09/2014","SIG_SUB":"Y","PART_SECTION":"56.16009","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/09/2014","PROPOSED_PENALTY":"127","AMOUNT_DUE":"127","AMOUNT_PAID":"127","CONTESTED_IND":"N","sourceDate":"2014-12-09"},{"SOURCE_ROW_NUMBER":"2099717","VIOLATION_NO":"8768200","VIOLATION_ISSUE_DT":"03/18/2014","SIG_SUB":"N","PART_SECTION":"56.14100(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/20/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-03-18"},{"SOURCE_ROW_NUMBER":"2099728","VIOLATION_NO":"8623316","VIOLATION_ISSUE_DT":"11/21/2011","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/21/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"2099727","VIOLATION_NO":"8623315","VIOLATION_ISSUE_DT":"11/16/2011","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/21/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-16"},{"SOURCE_ROW_NUMBER":"2099726","VIOLATION_NO":"8623314","VIOLATION_ISSUE_DT":"11/16/2011","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"12/08/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-16"},{"SOURCE_ROW_NUMBER":"2099732","VIOLATION_NO":"6579458","VIOLATION_ISSUE_DT":"12/14/2010","SIG_SUB":"N","PART_SECTION":"46.9(b)(5)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/14/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-12-14"}]}],"safety":{"href":"/api/v1/mines/4100116/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4100116/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":"Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30","part":"50","subchapter":"I","subpart":"D","id":"50.30","citation":"30 CFR 50.30","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Inspection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201","part":"56","subchapter":"K","subpart":"C","id":"56.4201","citation":"30 CFR 56.4201","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":"Records of training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9","part":"46","subchapter":"H","subpart":"","id":"46.9","citation":"30 CFR 46.9","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 46—TRAINING AND RETRAINING OF MINERS ENGAGED IN SHELL DREDGING OR EMPLOYED AT SAND, GRAVEL, SURFACE STONE, SURFACE CLAY, COLLOIDAL PHOSPHATE, OR SURFACE LIMESTONE MINES.","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Training plans.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3","part":"46","subchapter":"H","subpart":"","id":"46.3","citation":"30 CFR 46.3","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 46—TRAINING AND RETRAINING OF MINERS ENGAGED IN SHELL DREDGING OR EMPLOYED AT SAND, GRAVEL, SURFACE STONE, SURFACE CLAY, COLLOIDAL PHOSPHATE, OR SURFACE LIMESTONE MINES.","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"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":1},{"chapter":"I","heading":"Suspended loads.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16009","part":"56","subchapter":"K","subpart":"O","id":"56.16009","citation":"30 CFR 56.16009","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":3}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4100116","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}