{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4703604","name":"Cronin","status":"Intermittent","status_date":"2017-04-17","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WI","county":"Rock","nearest_town":"Janesville","operator_id":"0118130","operator_name":"Southern Wisconsin Aggregate Corporation","controller_id":"0100109","controller_name":"Daniel L  Silha","district":"M4","office":"Peru IL Field Office","employees":2,"latitude":42.661944,"longitude":-88.978333},"coverage":{"contributingSources":11,"registeredSources":20,"sourceRows":268},"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":"4703604","name":"Cronin"},"operator":{"type":"operator","id":"0118130","name":"Southern Wisconsin Aggregate Corporation"},"controller":{"type":"controller","id":"0100109","name":"Daniel L  Silha"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0118130","name":"Southern Wisconsin Aggregate Corporation"},"object":{"type":"mine","id":"4703604","name":"Cronin"},"validFrom":"2010-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703604|0118130|2010-10-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0100109","name":"Daniel L  Silha"},"object":{"type":"mine","id":"4703604","name":"Cronin"},"validFrom":"2010-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703604|0100109|2010-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0100109","name":"Daniel L  Silha"},"object":{"type":"operator","id":"0118130","name":"Southern Wisconsin Aggregate Corporation"},"validFrom":"2010-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703604","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703604|0118130|2010-10-01|0100109|2010-10-01|16672"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"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":"2017-04-17","lastDate":"2017-04-17","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":61,"firstDate":"2011-05-10","lastDate":"2026-06-19","metrics":{"ss":10,"delinquent":46,"recentRows":13,"paidPenalty":9734,"proposedPenalty":10250,"currentAssessment":9734},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3038443","VIOLATION_NO":"5119120","ISSUE_DT":"06/19/2026","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-06-19"},{"SOURCE_ROW_NUMBER":"3038442","VIOLATION_NO":"5119119","ISSUE_DT":"06/19/2026","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":"2026-06-19"},{"SOURCE_ROW_NUMBER":"2992435","VIOLATION_NO":"9697203","ISSUE_DT":"06/03/2025","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":"2025-06-03"},{"SOURCE_ROW_NUMBER":"2601686","VIOLATION_NO":"9621117","ISSUE_DT":"05/10/2022","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"2601685","VIOLATION_NO":"9621116","ISSUE_DT":"05/10/2022","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"215.00","CURRENT_ASSESSMENT_AMT":"215.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"2601684","VIOLATION_NO":"9621115","ISSUE_DT":"05/10/2022","CFR_STANDARD_CD":"56.14100(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"2601683","VIOLATION_NO":"9621114","ISSUE_DT":"05/10/2022","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"321.00","CURRENT_ASSESSMENT_AMT":"321.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"2601682","VIOLATION_NO":"9621113","ISSUE_DT":"05/10/2022","CFR_STANDARD_CD":"47.44(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"2601681","VIOLATION_NO":"9621112","ISSUE_DT":"05/10/2022","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"2601079","VIOLATION_NO":"9445875","ISSUE_DT":"06/23/2021","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"302.00","CURRENT_ASSESSMENT_AMT":"302.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-06-23"},{"SOURCE_ROW_NUMBER":"2601078","VIOLATION_NO":"9445874","ISSUE_DT":"06/23/2021","CFR_STANDARD_CD":"56.14112(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-06-23"},{"SOURCE_ROW_NUMBER":"2601077","VIOLATION_NO":"9445873","ISSUE_DT":"06/23/2021","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-06-23"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":18,"firstDate":"2012-08-07","lastDate":"2016-06-30","metrics":{"appeals":0,"decisions":18,"recentRows":0,"decisionPenalty":3351,"originalPenalty":3867},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"118284","VIOLATION_NO":"8748704","DOCKET_NO":"LAKE 2016-0065","DECISION_DT":"06/30/2016","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2016-06-30"},{"SOURCE_ROW_NUMBER":"363563","VIOLATION_NO":"8747113","DOCKET_NO":"LAKE 2014-0730","DECISION_DT":"04/21/2015","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"362.00","DECISION_PENALTY_AMT":"362.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-04-21"},{"SOURCE_ROW_NUMBER":"363434","VIOLATION_NO":"8747114","DOCKET_NO":"LAKE 2014-0730","DECISION_DT":"04/21/2015","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"362.00","DECISION_PENALTY_AMT":"362.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-04-21"},{"SOURCE_ROW_NUMBER":"109481","VIOLATION_NO":"8747112","DOCKET_NO":"LAKE 2014-0730","DECISION_DT":"04/21/2015","DECISION_TYPE_CODE_DESC":"Default","ORIGINAL_PENALTY_AMT":"108.00","DECISION_PENALTY_AMT":"108.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-04-21"},{"SOURCE_ROW_NUMBER":"332614","VIOLATION_NO":"8662967","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"745.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-03-04"},{"SOURCE_ROW_NUMBER":"332613","VIOLATION_NO":"8662966","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":"150.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-03-04"},{"SOURCE_ROW_NUMBER":"332612","VIOLATION_NO":"8662961","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-03-04"},{"SOURCE_ROW_NUMBER":"331802","VIOLATION_NO":"8662963","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-03-04"},{"SOURCE_ROW_NUMBER":"331801","VIOLATION_NO":"8662962","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"224.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-03-04"},{"SOURCE_ROW_NUMBER":"331713","VIOLATION_NO":"8662960","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"334.00","DECISION_PENALTY_AMT":"150.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-03-04"},{"SOURCE_ROW_NUMBER":"331712","VIOLATION_NO":"8662958","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-03-04"},{"SOURCE_ROW_NUMBER":"331247","VIOLATION_NO":"8662964","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":"150.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2013-03-04"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":18,"firstDate":"2011-11-01","lastDate":"2015-08-31","metrics":{"decisions":18,"ssChanged":4,"recentRows":0,"decisionPenalty":3351,"proposedPenalty":3867},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"321410","CITATION_NO":"8748704","CITATION_ISSUE_DT":"08/31/2015","DOCKET_NO":"LAKE 2016-0065","DECISION_DT":"06/30/2016","CFR_STANDARD_CODE":"56.12028","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2015-08-31"},{"SOURCE_ROW_NUMBER":"436128","CITATION_NO":"8747113","CITATION_ISSUE_DT":"07/08/2014","DOCKET_NO":"LAKE 2014-0730","DECISION_DT":"04/21/2015","CFR_STANDARD_CODE":"56.12008","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"362.00","DECISION_PENALTY_AMT":"362.00","sourceDate":"2014-07-08"},{"SOURCE_ROW_NUMBER":"435909","CITATION_NO":"8747114","CITATION_ISSUE_DT":"07/08/2014","DOCKET_NO":"LAKE 2014-0730","DECISION_DT":"04/21/2015","CFR_STANDARD_CODE":"56.12008","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"362.00","DECISION_PENALTY_AMT":"362.00","sourceDate":"2014-07-08"},{"SOURCE_ROW_NUMBER":"204151","CITATION_NO":"8747112","CITATION_ISSUE_DT":"07/08/2014","DOCKET_NO":"LAKE 2014-0730","DECISION_DT":"04/21/2015","CFR_STANDARD_CODE":"56.14100(c)","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"108.00","DECISION_PENALTY_AMT":"108.00","sourceDate":"2014-07-08"},{"SOURCE_ROW_NUMBER":"426694","CITATION_NO":"8662959","CITATION_ISSUE_DT":"06/12/2012","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","CFR_STANDARD_CODE":"56.14207","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":"150.00","sourceDate":"2012-06-12"},{"SOURCE_ROW_NUMBER":"425172","CITATION_NO":"8662961","CITATION_ISSUE_DT":"06/12/2012","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","CFR_STANDARD_CODE":"56.14130(h)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2012-06-12"},{"SOURCE_ROW_NUMBER":"261040","CITATION_NO":"8662962","CITATION_ISSUE_DT":"06/12/2012","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","CFR_STANDARD_CODE":"56.4201(a)(3)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"224.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2012-06-12"},{"SOURCE_ROW_NUMBER":"255418","CITATION_NO":"8662960","CITATION_ISSUE_DT":"06/12/2012","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","CFR_STANDARD_CODE":"56.14101(a)(3)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"334.00","DECISION_PENALTY_AMT":"150.00","sourceDate":"2012-06-12"},{"SOURCE_ROW_NUMBER":"202557","CITATION_NO":"8662964","CITATION_ISSUE_DT":"06/12/2012","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","CFR_STANDARD_CODE":"56.14112(a)(2)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":"150.00","sourceDate":"2012-06-12"},{"SOURCE_ROW_NUMBER":"199857","CITATION_NO":"8662966","CITATION_ISSUE_DT":"06/12/2012","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","CFR_STANDARD_CODE":"56.12006","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":"150.00","sourceDate":"2012-06-12"},{"SOURCE_ROW_NUMBER":"147534","CITATION_NO":"8662967","CITATION_ISSUE_DT":"06/12/2012","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","CFR_STANDARD_CODE":"56.12028","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"745.00","DECISION_PENALTY_AMT":"745.00","sourceDate":"2012-06-12"},{"SOURCE_ROW_NUMBER":"142006","CITATION_NO":"8662965","CITATION_ISSUE_DT":"06/12/2012","DOCKET_NO":"LAKE 2012-880M","DECISION_DT":"03/04/2013","CFR_STANDARD_CODE":"56.9300(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"150.00","DECISION_PENALTY_AMT":"150.00","sourceDate":"2012-06-12"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"2010-10-01","lastDate":"2010-10-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":27,"firstDate":"2011-05-09","lastDate":"2026-06-19","metrics":{"inspectors":27,"recentRows":7,"onSiteHours":148.25,"inspectionHours":292,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"140147","EVENT_NO":"F03F957","INSPECTION_BEGIN_DT":"06/19/2026","INSPECTION_END_DT":"06/19/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2026-06-19"},{"SOURCE_ROW_NUMBER":"493596","EVENT_NO":"F01BBC6","INSPECTION_BEGIN_DT":"06/03/2025","INSPECTION_END_DT":"06/03/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.25","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2025-06-03"},{"SOURCE_ROW_NUMBER":"357494","EVENT_NO":"6229742","INSPECTION_BEGIN_DT":"08/02/2024","INSPECTION_END_DT":"08/03/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2024-08-02"},{"SOURCE_ROW_NUMBER":"934459","EVENT_NO":"6909402","INSPECTION_BEGIN_DT":"04/18/2023","INSPECTION_END_DT":"04/18/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2023-04-18"},{"SOURCE_ROW_NUMBER":"635388","EVENT_NO":"6840991","INSPECTION_BEGIN_DT":"05/09/2022","INSPECTION_END_DT":"05/10/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13.5","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2022-05-09"},{"SOURCE_ROW_NUMBER":"1061852","EVENT_NO":"6840659","INSPECTION_BEGIN_DT":"06/17/2021","INSPECTION_END_DT":"06/18/2021","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2021-06-17"},{"SOURCE_ROW_NUMBER":"994382","EVENT_NO":"6840660","INSPECTION_BEGIN_DT":"06/17/2021","INSPECTION_END_DT":"06/24/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"40.5","SUM_TOTAL_ON_SITE_HOURS":"19","sourceDate":"2021-06-17"},{"SOURCE_ROW_NUMBER":"362792","EVENT_NO":"6834681","INSPECTION_BEGIN_DT":"09/09/2020","INSPECTION_END_DT":"09/09/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2020-09-09"},{"SOURCE_ROW_NUMBER":"1018669","EVENT_NO":"6834413","INSPECTION_BEGIN_DT":"03/12/2019","INSPECTION_END_DT":"03/12/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.25","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2019-03-12"},{"SOURCE_ROW_NUMBER":"420092","EVENT_NO":"6749716","INSPECTION_BEGIN_DT":"08/07/2018","INSPECTION_END_DT":"08/09/2018","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2018-08-07"},{"SOURCE_ROW_NUMBER":"878107","EVENT_NO":"6705857","INSPECTION_BEGIN_DT":"04/13/2017","INSPECTION_END_DT":"04/13/2017","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2017-04-13"},{"SOURCE_ROW_NUMBER":"1035320","EVENT_NO":"6705851","INSPECTION_BEGIN_DT":"04/04/2017","INSPECTION_END_DT":"04/05/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.75","SUM_TOTAL_ON_SITE_HOURS":"3.75","sourceDate":"2017-04-04"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":61,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":912,"employees":2,"production":0},"2026-Q1":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":591,"employees":2,"production":0},"2025-Q3":{"hours":1022,"employees":2,"production":0},"2025-Q2":{"hours":726,"employees":2,"production":0},"2025-Q1":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":530,"employees":1,"production":0},"2024-Q3":{"hours":1001,"employees":2,"production":0},"2024-Q2":{"hours":1154,"employees":2,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":887,"employees":2,"production":0},"2023-Q3":{"hours":1108,"employees":2,"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":16,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":2882,"employees":2,"production":0},"2018":{"hours":2643,"employees":2,"production":0},"2019":{"hours":2520,"employees":2,"production":0},"2020":{"hours":3118,"employees":2,"production":0},"2021":{"hours":3105,"employees":2,"production":0},"2022":{"hours":3064,"employees":2,"production":0},"2023":{"hours":3062,"employees":2,"production":0},"2024":{"hours":2685,"employees":2,"production":0},"2025":{"hours":2339,"employees":2,"production":0},"2026":{"hours":912,"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":3,"firstDate":"2011-11-02","lastDate":"2021-06-24","metrics":{"recentRows":2,"actionTaken":3,"maxExposureRatio":0.09,"overExposureLimit":0,"exposureRatioTotal":0.09},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"255555","EVENT_NO":"6840660","SAMPLE_NO":"000000202102682000","SAMPLE_DATE":"06/24/2021","CONTAMINANT_DESC":"Nuisance dust, total, <1% Qtz","CONCENTRATION":"0000.85","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.09","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-06-24"},{"SOURCE_ROW_NUMBER":"255554","EVENT_NO":"6840660","SAMPLE_NO":"000000202102681900","SAMPLE_DATE":"06/24/2021","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":"2021-06-24"},{"SOURCE_ROW_NUMBER":"138942","EVENT_NO":"6519184","SAMPLE_NO":"000000201110163000","SAMPLE_DATE":"11/02/2011","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":"2011-11-02"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":61,"firstDate":"2011-05-10","lastDate":"2026-06-19","metrics":{"ss":10,"amountDue":9734,"contested":0,"amountPaid":9734,"recentRows":13,"section104d":0,"unterminated":0,"proposedPenalty":10250},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3029482","VIOLATION_NO":"5119120","VIOLATION_ISSUE_DT":"06/19/2026","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/19/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-06-19"},{"SOURCE_ROW_NUMBER":"3029481","VIOLATION_NO":"5119119","VIOLATION_ISSUE_DT":"06/19/2026","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/19/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-06-19"},{"SOURCE_ROW_NUMBER":"3029465","VIOLATION_NO":"9697203","VIOLATION_ISSUE_DT":"06/03/2025","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/03/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-06-03"},{"SOURCE_ROW_NUMBER":"3029464","VIOLATION_NO":"9621117","VIOLATION_ISSUE_DT":"05/10/2022","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/10/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"3029463","VIOLATION_NO":"9621116","VIOLATION_ISSUE_DT":"05/10/2022","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"05/12/2022","PROPOSED_PENALTY":"215","AMOUNT_DUE":"215","AMOUNT_PAID":"215","CONTESTED_IND":"N","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"3029462","VIOLATION_NO":"9621115","VIOLATION_ISSUE_DT":"05/10/2022","SIG_SUB":"N","PART_SECTION":"56.14100(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/10/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"3029461","VIOLATION_NO":"9621114","VIOLATION_ISSUE_DT":"05/10/2022","SIG_SUB":"Y","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/10/2022","PROPOSED_PENALTY":"321","AMOUNT_DUE":"321","AMOUNT_PAID":"321","CONTESTED_IND":"N","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"3029460","VIOLATION_NO":"9621113","VIOLATION_ISSUE_DT":"05/10/2022","SIG_SUB":"N","PART_SECTION":"47.44(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/10/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"3029459","VIOLATION_NO":"9621112","VIOLATION_ISSUE_DT":"05/10/2022","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/10/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-05-10"},{"SOURCE_ROW_NUMBER":"3029480","VIOLATION_NO":"9445875","VIOLATION_ISSUE_DT":"06/23/2021","SIG_SUB":"Y","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/23/2021","PROPOSED_PENALTY":"302","AMOUNT_DUE":"302","AMOUNT_PAID":"302","CONTESTED_IND":"N","sourceDate":"2021-06-23"},{"SOURCE_ROW_NUMBER":"3029479","VIOLATION_NO":"9445874","VIOLATION_ISSUE_DT":"06/23/2021","SIG_SUB":"N","PART_SECTION":"56.14112(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/23/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-06-23"},{"SOURCE_ROW_NUMBER":"3029478","VIOLATION_NO":"9445873","VIOLATION_ISSUE_DT":"06/23/2021","SIG_SUB":"Y","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/23/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-06-23"}]}],"safety":{"href":"/api/v1/mines/4703604/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4703604/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":"Inspection and cover plates.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032","part":"56","subchapter":"K","subpart":"K","id":"56.12032","citation":"30 CFR 56.12032","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":"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":2},{"chapter":"I","heading":"Moving machine parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107","part":"56","subchapter":"K","subpart":"M","id":"56.14107","citation":"30 CFR 56.14107","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Testing grounding systems.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028","part":"56","subchapter":"K","subpart":"K","id":"56.12028","citation":"30 CFR 56.12028","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Safety 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":"Berms or guardrails.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300","part":"56","subchapter":"K","subpart":"H","id":"56.9300","citation":"30 CFR 56.9300","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Temporary, portable containers.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44","part":"47","subchapter":"H","subpart":"E","id":"47.44","citation":"30 CFR 47.44","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 47—HAZARD COMMUNICATION (HazCom)","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},{"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4703604","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}