{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0504359","name":"Portable Plant 1","status":"Abandoned","status_date":"2026-08-26","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WY","county":"Laramie","nearest_town":"Cheyenne","operator_id":"L16197","operator_name":"Martin Marietta Materials Inc.","controller_id":"M00174","controller_name":"Martin Marietta Materials Inc","district":"M6","office":"Denver CO Field Office","employees":0,"latitude":41.101111,"longitude":-105.173333},"coverage":{"contributingSources":13,"registeredSources":20,"sourceRows":212},"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":"0504359","name":"Portable Plant 1"},"operator":{"type":"operator","id":"L16197","name":"Martin Marietta Materials Inc."},"controller":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"object":{"type":"mine","id":"0504359","name":"Portable Plant 1"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|M00174|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00190","name":"Redland Plc"},"object":{"type":"mine","id":"0504359","name":"Portable Plant 1"},"validFrom":"1988-06-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|M00190|1988-06-14|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11346","name":"Western-Mobile Northern Inc"},"object":{"type":"mine","id":"0504359","name":"Portable Plant 1"},"validFrom":"1988-07-01","validTo":"1998-02-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|L11346|1988-07-01|1998-02-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00190","name":"Redland Plc"},"object":{"type":"operator","id":"L11346","name":"Western-Mobile Northern Inc"},"validFrom":"1988-07-01","validTo":"1998-02-10","current":false,"derived":true,"evidenceMineId":"0504359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|L11346|1988-07-01|M00190|1988-06-14|107097"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16653","name":"Western Mobile Northern Inc"},"object":{"type":"mine","id":"0504359","name":"Portable Plant 1"},"validFrom":"1998-02-11","validTo":"2002-01-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|L16653|1998-02-11|2002-01-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"mine","id":"0504359","name":"Portable Plant 1"},"validFrom":"1998-02-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|M02063|1998-02-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"operator","id":"L16653","name":"Western Mobile Northern Inc"},"validFrom":"1998-02-11","validTo":"2002-01-30","current":false,"derived":true,"evidenceMineId":"0504359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|L16653|1998-02-11|M02063|1998-02-11|123341"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050899","name":"Lafarge West Incorporated"},"object":{"type":"mine","id":"0504359","name":"Portable Plant 1"},"validFrom":"2002-01-31","validTo":"2015-05-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|0050899|2002-01-31|2015-05-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"mine","id":"0504359","name":"Portable Plant 1"},"validFrom":"2002-01-31","validTo":"2015-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|M02063|2002-01-31|2015-07-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"operator","id":"0050899","name":"Lafarge West Incorporated"},"validFrom":"2002-01-31","validTo":"2015-05-10","current":false,"derived":true,"evidenceMineId":"0504359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|0050899|2002-01-31|M02063|2002-01-31|123499"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16197","name":"Martin Marietta Materials Inc."},"object":{"type":"mine","id":"0504359","name":"Portable Plant 1"},"validFrom":"2015-05-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|L16197|2015-05-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"object":{"type":"operator","id":"L16197","name":"Martin Marietta Materials Inc."},"validFrom":"2015-05-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"0504359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|L16197|2015-05-11|M00174|1950-01-01|105631"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"mine","id":"0504359","name":"Portable Plant 1"},"validFrom":"2015-07-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|0119681|2015-07-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"operator","id":"0050899","name":"Lafarge West Incorporated"},"validFrom":"2015-07-10","validTo":"2015-05-10","current":false,"derived":true,"evidenceMineId":"0504359","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504359|0050899|2002-01-31|0119681|2015-07-10|23177"}}],"coverage":{"historyRecords":5,"edgeCount":14,"intervalAnomalies":1,"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":1,"firstDate":"2004-01-14","lastDate":"2004-01-14","metrics":{"daysLost":0,"injuries":1,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"155417","DOCUMENT_NO":"220040210005","ACCIDENT_DT":"01/14/2004","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Contact with hot objects or substances","OCCUPATION":"Mine manager, Mine foreman, Mine owner","NO_INJURIES":"1","NARRATIVE":"EE WAS WELDING AND A SPARK ENTERED HIS CLOTHING CAUSING A BURN TO HIS ARM.","sourceDate":"2004-01-14"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2026-08-26","lastDate":"2026-08-26","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":17,"firstDate":"2002-09-05","lastDate":"2020-05-20","metrics":{"ss":4,"delinquent":15,"recentRows":0,"paidPenalty":3487,"proposedPenalty":3987,"currentAssessment":3487},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2518150","VIOLATION_NO":"9398360","ISSUE_DT":"05/20/2020","CFR_STANDARD_CD":"56.4101","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-05-20"},{"SOURCE_ROW_NUMBER":"2518149","VIOLATION_NO":"9398359","ISSUE_DT":"05/20/2020","CFR_STANDARD_CD":"56.4101","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-05-20"},{"SOURCE_ROW_NUMBER":"2517251","VIOLATION_NO":"9348342","ISSUE_DT":"12/10/2019","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"144.00","CURRENT_ASSESSMENT_AMT":"144.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-12-10"},{"SOURCE_ROW_NUMBER":"2517241","VIOLATION_NO":"9348329","ISSUE_DT":"10/17/2019","CFR_STANDARD_CD":"56.5001(a)/.5005","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"355.00","CURRENT_ASSESSMENT_AMT":"355.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-10-17"},{"SOURCE_ROW_NUMBER":"2510820","VIOLATION_NO":"9346186","ISSUE_DT":"10/04/2018","CFR_STANDARD_CD":"46.3(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-10-04"},{"SOURCE_ROW_NUMBER":"506165","VIOLATION_NO":"6423481","ISSUE_DT":"10/31/2007","CFR_STANDARD_CD":"56.3130","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"2000.00","CURRENT_ASSESSMENT_AMT":"1500.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"506164","VIOLATION_NO":"6423480","ISSUE_DT":"10/31/2007","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"506163","VIOLATION_NO":"6423479","ISSUE_DT":"10/31/2007","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"506162","VIOLATION_NO":"6423478","ISSUE_DT":"10/31/2007","CFR_STANDARD_CD":"56.11012","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"506161","VIOLATION_NO":"6423477","ISSUE_DT":"10/31/2007","CFR_STANDARD_CD":"56.14112(a)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"243.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"506160","VIOLATION_NO":"6423476","ISSUE_DT":"10/31/2007","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"162.00","CURRENT_ASSESSMENT_AMT":"162.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"506159","VIOLATION_NO":"6423475","ISSUE_DT":"10/31/2007","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-31"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":1,"firstDate":"2009-07-16","lastDate":"2009-07-16","metrics":{"appeals":0,"decisions":1,"recentRows":0,"decisionPenalty":1500,"originalPenalty":2000},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"213337","VIOLATION_NO":"6423481","DOCKET_NO":"WEST 2008-697M","DECISION_DT":"07/16/2009","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"1500.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2009-07-16"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":1,"firstDate":"2004-04-15","lastDate":"2004-04-15","metrics":{"linkedIssuances":1},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":2,"firstDate":"2007-10-31","lastDate":"2007-10-31","metrics":{"decisions":2,"ssChanged":1,"recentRows":0,"decisionPenalty":1500,"proposedPenalty":2500},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"347069","CITATION_NO":"6423481","CITATION_ISSUE_DT":"10/31/2007","DOCKET_NO":"WEST 2008-697M","DECISION_DT":"07/16/2009","CFR_STANDARD_CODE":"56.3130","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"1500.00","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"345595","CITATION_NO":"6423481-00010833A","CITATION_ISSUE_DT":"10/31/2007","DOCKET_NO":"WEST 2008-1580M","DECISION_DT":"07/16/2009","CFR_STANDARD_CODE":"56.3130","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"500.00","DECISION_PENALTY_AMT":".00","sourceDate":"2007-10-31"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":5,"firstDate":"1988-07-01","lastDate":"2015-05-11","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":4},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":26,"firstDate":"2000-03-13","lastDate":"2025-08-11","metrics":{"inspectors":26,"recentRows":4,"onSiteHours":136.75,"inspectionHours":305.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"357241","EVENT_NO":"6782989","INSPECTION_BEGIN_DT":"08/11/2025","INSPECTION_END_DT":"08/12/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"6.5","sourceDate":"2025-08-11"},{"SOURCE_ROW_NUMBER":"767406","EVENT_NO":"F0111E6","INSPECTION_BEGIN_DT":"08/15/2024","INSPECTION_END_DT":"08/16/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2024-08-15"},{"SOURCE_ROW_NUMBER":"387305","EVENT_NO":"6941318","INSPECTION_BEGIN_DT":"08/10/2023","INSPECTION_END_DT":"08/10/2023","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"1123074","EVENT_NO":"6853729","INSPECTION_BEGIN_DT":"05/11/2021","INSPECTION_END_DT":"05/11/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2021-05-11"},{"SOURCE_ROW_NUMBER":"29492","EVENT_NO":"6789414","INSPECTION_BEGIN_DT":"05/20/2020","INSPECTION_END_DT":"05/20/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19.5","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2020-05-20"},{"SOURCE_ROW_NUMBER":"1045263","EVENT_NO":"6789127","INSPECTION_BEGIN_DT":"12/10/2019","INSPECTION_END_DT":"12/10/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2019-12-10"},{"SOURCE_ROW_NUMBER":"896359","EVENT_NO":"6789126","INSPECTION_BEGIN_DT":"12/09/2019","INSPECTION_END_DT":"12/10/2019","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2019-12-09"},{"SOURCE_ROW_NUMBER":"57103","EVENT_NO":"6789124","INSPECTION_BEGIN_DT":"11/19/2019","INSPECTION_END_DT":"11/19/2019","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.75","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2019-11-19"},{"SOURCE_ROW_NUMBER":"799072","EVENT_NO":"6789113","INSPECTION_BEGIN_DT":"09/26/2019","INSPECTION_END_DT":"09/27/2019","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18.25","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2019-09-26"},{"SOURCE_ROW_NUMBER":"770694","EVENT_NO":"6785553","INSPECTION_BEGIN_DT":"10/11/2018","INSPECTION_END_DT":"10/11/2018","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".25","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2018-10-11"},{"SOURCE_ROW_NUMBER":"693294","EVENT_NO":"6785550","INSPECTION_BEGIN_DT":"10/04/2018","INSPECTION_END_DT":"10/04/2018","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19.25","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2018-10-04"},{"SOURCE_ROW_NUMBER":"1156879","EVENT_NO":"6785619","INSPECTION_BEGIN_DT":"03/21/2018","INSPECTION_END_DT":"03/22/2018","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15.5","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2018-03-21"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":109,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":0,"employees":0,"production":0},"2026-Q1":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":0,"employees":0,"production":0},"2025-Q3":{"hours":0,"employees":0,"production":0},"2025-Q2":{"hours":0,"employees":0,"production":0},"2025-Q1":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":396,"employees":2,"production":0},"2024-Q3":{"hours":1200,"employees":2,"production":0},"2024-Q2":{"hours":0,"employees":0,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":1243,"employees":2,"production":0},"2023-Q3":{"hours":864,"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":20,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2015":{"hours":7522,"employees":5,"production":0},"2016":{"hours":1096,"employees":3,"production":0},"2017":{"hours":2032,"employees":2,"production":0},"2018":{"hours":8801,"employees":4,"production":0},"2019":{"hours":15853,"employees":6,"production":0},"2020":{"hours":10142,"employees":4,"production":0},"2021":{"hours":2352,"employees":3,"production":0},"2023":{"hours":2107,"employees":2,"production":0},"2024":{"hours":1596,"employees":2,"production":0},"2026":{"hours":0,"employees":0,"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":"2002-09-10","lastDate":"2019-12-10","metrics":{"recentRows":0,"actionTaken":10,"maxExposureRatio":1.5,"overExposureLimit":1,"exposureRatioTotal":3.14},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"235442","EVENT_NO":"6789126","SAMPLE_NO":"000000201907005500","SAMPLE_DATE":"12/10/2019","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.15","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2019-12-10"},{"SOURCE_ROW_NUMBER":"235441","EVENT_NO":"6789126","SAMPLE_NO":"000000201907005400","SAMPLE_DATE":"12/10/2019","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2019-12-10"},{"SOURCE_ROW_NUMBER":"230014","EVENT_NO":"6789113","SAMPLE_NO":"000000201905546400","SAMPLE_DATE":"09/26/2019","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0001.75","EXPOSURE_LIMIT":"0001.17","C_OVER_E":"01.50","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"CITATION/ORDER ISSUED","sourceDate":"2019-09-26"},{"SOURCE_ROW_NUMBER":"230013","EVENT_NO":"6789113","SAMPLE_NO":"000000201905546300","SAMPLE_DATE":"09/26/2019","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.41","EXPOSURE_LIMIT":"0000.91","C_OVER_E":"00.45","JOB_CD_DESC":"Bobcat Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2019-09-26"},{"SOURCE_ROW_NUMBER":"230012","EVENT_NO":"6789113","SAMPLE_NO":"000000201905546200","SAMPLE_DATE":"09/26/2019","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.62","EXPOSURE_LIMIT":"0001.12","C_OVER_E":"00.55","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2019-09-26"},{"SOURCE_ROW_NUMBER":"182231","EVENT_NO":"6772219","SAMPLE_NO":"000000201601645800","SAMPLE_DATE":"03/09/2016","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.29","EXPOSURE_LIMIT":"0001.28","C_OVER_E":"00.23","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2016-03-09"},{"SOURCE_ROW_NUMBER":"182230","EVENT_NO":"6772219","SAMPLE_NO":"000000201601645600","SAMPLE_DATE":"03/09/2016","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2016-03-09"},{"SOURCE_ROW_NUMBER":"19846","EVENT_NO":"1063233","SAMPLE_NO":"000000200207006200","SAMPLE_DATE":"09/10/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Belt Cleaner","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-09-10"},{"SOURCE_ROW_NUMBER":"19845","EVENT_NO":"1063233","SAMPLE_NO":"000000200207006100","SAMPLE_DATE":"09/10/2002","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":"2002-09-10"},{"SOURCE_ROW_NUMBER":"19844","EVENT_NO":"1063233","SAMPLE_NO":"000000200207006000","SAMPLE_DATE":"09/10/2002","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.15","EXPOSURE_LIMIT":"0000.37","C_OVER_E":"00.41","JOB_CD_DESC":"Cleanup Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-09-10"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":18,"firstDate":"2002-09-05","lastDate":"2020-05-20","metrics":{"ss":4,"amountDue":3487,"contested":1,"amountPaid":3487,"recentRows":0,"section104d":0,"unterminated":1,"proposedPenalty":3987},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"321173","VIOLATION_NO":"9398360","VIOLATION_ISSUE_DT":"05/20/2020","SIG_SUB":"N","PART_SECTION":"56.4101","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/20/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-05-20"},{"SOURCE_ROW_NUMBER":"321172","VIOLATION_NO":"9398359","VIOLATION_ISSUE_DT":"05/20/2020","SIG_SUB":"N","PART_SECTION":"56.4101","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/20/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-05-20"},{"SOURCE_ROW_NUMBER":"321186","VIOLATION_NO":"9348342","VIOLATION_ISSUE_DT":"12/10/2019","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/10/2019","PROPOSED_PENALTY":"144","AMOUNT_DUE":"144","AMOUNT_PAID":"144","CONTESTED_IND":"N","sourceDate":"2019-12-10"},{"SOURCE_ROW_NUMBER":"321185","VIOLATION_NO":"9348341","VIOLATION_ISSUE_DT":"11/19/2019","PART_SECTION":"56.5001(a)/.5005","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"12/26/2019","CONTESTED_IND":"N","sourceDate":"2019-11-19"},{"SOURCE_ROW_NUMBER":"321176","VIOLATION_NO":"9348329","VIOLATION_ISSUE_DT":"10/17/2019","SIG_SUB":"Y","PART_SECTION":"56.5001(a)/.5005","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"355","AMOUNT_DUE":"355","AMOUNT_PAID":"355","CONTESTED_IND":"N","sourceDate":"2019-10-17"},{"SOURCE_ROW_NUMBER":"321177","VIOLATION_NO":"9346186","VIOLATION_ISSUE_DT":"10/04/2018","SIG_SUB":"N","PART_SECTION":"46.3(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/11/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-10-04"},{"SOURCE_ROW_NUMBER":"321184","VIOLATION_NO":"6423481","VIOLATION_ISSUE_DT":"10/31/2007","SIG_SUB":"Y","PART_SECTION":"56.3130","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"11/13/2007","PROPOSED_PENALTY":"2000","AMOUNT_DUE":"1500","AMOUNT_PAID":"1500","CONTESTED_IND":"Y","DOCKET_NO":"WEST 2008-697M","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"321183","VIOLATION_NO":"6423480","VIOLATION_ISSUE_DT":"10/31/2007","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/31/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"321182","VIOLATION_NO":"6423479","VIOLATION_ISSUE_DT":"10/31/2007","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"11/14/2007","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"321181","VIOLATION_NO":"6423478","VIOLATION_ISSUE_DT":"10/31/2007","SIG_SUB":"N","PART_SECTION":"56.11012","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/01/2007","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"321180","VIOLATION_NO":"6423477","VIOLATION_ISSUE_DT":"10/31/2007","SIG_SUB":"Y","PART_SECTION":"56.14112(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/01/2007","PROPOSED_PENALTY":"243","AMOUNT_DUE":"243","AMOUNT_PAID":"243","CONTESTED_IND":"N","sourceDate":"2007-10-31"},{"SOURCE_ROW_NUMBER":"321179","VIOLATION_NO":"6423476","VIOLATION_ISSUE_DT":"10/31/2007","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/14/2007","PROPOSED_PENALTY":"162","AMOUNT_DUE":"162","AMOUNT_PAID":"162","CONTESTED_IND":"N","sourceDate":"2007-10-31"}]}],"safety":{"href":"/api/v1/mines/0504359/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0504359/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":"Warning signs.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101","part":"56","subchapter":"K","subpart":"C","id":"56.4101","citation":"30 CFR 56.4101","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":"Exposure limits for airborne contaminants.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5001","part":"56","subchapter":"K","subpart":"D","id":"56.5001","citation":"30 CFR 56.5001","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":"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":"Wall, bank, and slope stability.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3130","part":"56","subchapter":"K","subpart":"B","id":"56.3130","citation":"30 CFR 56.3130","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":"Protection for openings around travelways.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012","part":"56","subchapter":"K","subpart":"J","id":"56.11012","citation":"30 CFR 56.11012","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Construction and maintenance of guards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112","part":"56","subchapter":"K","subpart":"M","id":"56.14112","citation":"30 CFR 56.14112","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"0504359","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}