{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0502777","name":"Bluestone Pit","status":"Abandoned","status_date":"2003-05-23","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"CO","county":"Jefferson","nearest_town":"Golden","operator_id":"0050899","operator_name":"Lafarge West Incorporated","controller_id":"0119681","controller_name":"Holcim Ltd","district":"M6","office":"Denver CO Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":11,"registeredSources":20,"sourceRows":121},"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":"0502777","name":"Bluestone Pit"},"operator":{"type":"operator","id":"0050899","name":"Lafarge West Incorporated"},"controller":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00867","name":"Wesley D Conda Inc"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"validFrom":"1950-01-01","validTo":"1993-08-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|L00867|1950-01-01|1993-08-04"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00727","name":"Nicholas G  Conda  et al"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|M00727|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00727","name":"Nicholas G  Conda  et al"},"object":{"type":"operator","id":"L00867","name":"Wesley D Conda Inc"},"validFrom":"1950-01-01","validTo":"1993-08-04","current":false,"derived":true,"evidenceMineId":"0502777","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|L00867|1950-01-01|M00727|1950-01-01|114492"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13157","name":"Bluestone Aggregates Company"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"validFrom":"1993-08-05","validTo":"1997-11-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|L13157|1993-08-05|1997-11-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04742","name":"Inco Ltd"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"validFrom":"1993-08-05","validTo":"1997-11-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|M04742|1993-08-05|1997-11-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04742","name":"Inco Ltd"},"object":{"type":"operator","id":"L13157","name":"Bluestone Aggregates Company"},"validFrom":"1993-08-05","validTo":"1997-11-24","current":false,"derived":true,"evidenceMineId":"0502777","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|L13157|1993-08-05|M04742|1993-08-05|132633"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15632","name":"Bluestone Aggregates Company"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"validFrom":"1997-11-25","validTo":"1999-02-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|L15632|1997-11-25|1999-02-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00344","name":"Texas Industries Inc"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"validFrom":"1997-11-25","validTo":"1999-02-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|M00344|1997-11-25|1999-02-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00344","name":"Texas Industries Inc"},"object":{"type":"operator","id":"L15632","name":"Bluestone Aggregates Company"},"validFrom":"1997-11-25","validTo":"1999-02-28","current":false,"derived":true,"evidenceMineId":"0502777","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|L15632|1997-11-25|M00344|1997-11-25|109679"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"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":"0502777|M02063|1998-02-11|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18338","name":"Western Mobile Inc"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"validFrom":"1999-03-01","validTo":"2002-01-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|L18338|1999-03-01|2002-01-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"operator","id":"L18338","name":"Western Mobile Inc"},"validFrom":"1999-03-01","validTo":"2002-01-30","current":false,"derived":true,"evidenceMineId":"0502777","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|L18338|1999-03-01|M02063|1998-02-11|123328"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050899","name":"Lafarge West Incorporated"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"validFrom":"2002-01-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|0050899|2002-01-31|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"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":"0502777|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":"2015-07-09","current":false,"derived":true,"evidenceMineId":"0502777","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|0050899|2002-01-31|M02063|2002-01-31|123488"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"mine","id":"0502777","name":"Bluestone Pit"},"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":"0502777|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":null,"current":true,"derived":true,"evidenceMineId":"0502777","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0502777|0050899|2002-01-31|0119681|2015-07-10|23166"}}],"coverage":{"historyRecords":6,"edgeCount":17,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":4,"firstDate":"2000-05-25","lastDate":"2003-02-21","metrics":{"daysLost":92,"injuries":4,"fatalities":0,"recentRows":0,"restrictedDays":17,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"245744","DOCUMENT_NO":"220030590034","ACCIDENT_DT":"02/21/2003","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall onto or against objects","OCCUPATION":"Miner, NEC","NO_INJURIES":"1","NARRATIVE":"EMPLOYEE TRIPPED WHILE WALKING UPSTAIRS TO OFFICE TRAILER AND HIT RIGHT EAR ON HAND RAILING.","sourceDate":"2003-02-21"},{"SOURCE_ROW_NUMBER":"99261","DOCUMENT_NO":"220020500135","ACCIDENT_DT":"02/06/2002","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from ladders","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"23","NARRATIVE":"CHANGING 2 GREASE ZERTS ON THE END OF THE TILT CYLINDERS, STEPPED FROM LADDER, MISPLACED FOOT, SLIPPED AND FELL, LANDING ON HIS BACK.","sourceDate":"2002-02-06"},{"SOURCE_ROW_NUMBER":"116469","DOCUMENT_NO":"220003290007","ACCIDENT_DT":"11/17/2000","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from machine","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","NARRATIVE":"FEEDER ON FINISH SIDE PLUGGED WITH FROZEN CHUNK. HE BROKE IT & UPON CLIMBING OFF THE FEEDER, SLIPPED AND FELL.","sourceDate":"2000-11-17"},{"SOURCE_ROW_NUMBER":"159683","DOCUMENT_NO":"220001570004","ACCIDENT_DT":"05/25/2000","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"69","NARRATIVE":"LIFTING AN OIL BARREL AND FELT A POP IN RIGHT SHOULDER.","sourceDate":"2000-05-25"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2003-05-23","lastDate":"2003-05-23","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":31,"firstDate":"2000-08-08","lastDate":"2002-06-13","metrics":{"ss":8,"delinquent":31,"recentRows":0,"paidPenalty":2798,"proposedPenalty":2874,"currentAssessment":2798},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"13466","VIOLATION_NO":"7944312","ISSUE_DT":"06/13/2002","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-06-13"},{"SOURCE_ROW_NUMBER":"13467","VIOLATION_NO":"7944313","ISSUE_DT":"06/12/2002","CFR_STANDARD_CD":"56.14112(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-06-12"},{"SOURCE_ROW_NUMBER":"14442","VIOLATION_NO":"7943965","ISSUE_DT":"02/25/2002","CFR_STANDARD_CD":"46.11(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-02-25"},{"SOURCE_ROW_NUMBER":"14441","VIOLATION_NO":"7943964","ISSUE_DT":"02/25/2002","CFR_STANDARD_CD":"46.8(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"259.00","CURRENT_ASSESSMENT_AMT":"259.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-02-25"},{"SOURCE_ROW_NUMBER":"14440","VIOLATION_NO":"7943963","ISSUE_DT":"02/25/2002","CFR_STANDARD_CD":"46.7(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"396.00","CURRENT_ASSESSMENT_AMT":"396.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-02-25"},{"SOURCE_ROW_NUMBER":"13386","VIOLATION_NO":"7944201","ISSUE_DT":"10/26/2001","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-26"},{"SOURCE_ROW_NUMBER":"13385","VIOLATION_NO":"7943000","ISSUE_DT":"10/26/2001","CFR_STANDARD_CD":"56.4201(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-26"},{"SOURCE_ROW_NUMBER":"22743","VIOLATION_NO":"7942510","ISSUE_DT":"02/21/2001","CFR_STANDARD_CD":"56.12001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-02-21"},{"SOURCE_ROW_NUMBER":"22742","VIOLATION_NO":"7942507","ISSUE_DT":"02/21/2001","CFR_STANDARD_CD":"56.12001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-02-21"},{"SOURCE_ROW_NUMBER":"22741","VIOLATION_NO":"7942506","ISSUE_DT":"02/21/2001","CFR_STANDARD_CD":"56.14100(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-02-21"},{"SOURCE_ROW_NUMBER":"22740","VIOLATION_NO":"7942505","ISSUE_DT":"02/21/2001","CFR_STANDARD_CD":"56.14207","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-02-21"},{"SOURCE_ROW_NUMBER":"22739","VIOLATION_NO":"7942504","ISSUE_DT":"02/21/2001","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-02-21"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":4,"firstDate":"2000-09-18","lastDate":"2000-09-18","metrics":{"linkedIssuances":4},"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":"2002-01-31","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":4},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":7,"firstDate":"2000-08-08","lastDate":"2002-05-09","metrics":{"inspectors":10,"recentRows":0,"onSiteHours":123,"inspectionHours":168,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"978775","EVENT_NO":"0466727","INSPECTION_BEGIN_DT":"05/09/2002","INSPECTION_END_DT":"06/14/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"28","SUM_TOTAL_ON_SITE_HOURS":"20","sourceDate":"2002-05-09"},{"SOURCE_ROW_NUMBER":"739584","EVENT_NO":"0468919","INSPECTION_BEGIN_DT":"02/15/2002","INSPECTION_END_DT":"02/26/2002","ACTIVITY_CODE":"09","ACTIVITY":"VERBAL HAZARD COMPLAINT","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"23","SUM_TOTAL_ON_SITE_HOURS":"16","sourceDate":"2002-02-15"},{"SOURCE_ROW_NUMBER":"278265","EVENT_NO":"0466671","INSPECTION_BEGIN_DT":"10/16/2001","INSPECTION_END_DT":"10/29/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"12","sourceDate":"2001-10-16"},{"SOURCE_ROW_NUMBER":"1018591","EVENT_NO":"0533327","INSPECTION_BEGIN_DT":"03/26/2001","INSPECTION_END_DT":"03/26/2001","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2001-03-26"},{"SOURCE_ROW_NUMBER":"843487","EVENT_NO":"0533316","INSPECTION_BEGIN_DT":"02/20/2001","INSPECTION_END_DT":"02/23/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"25","SUM_TOTAL_ON_SITE_HOURS":"20","sourceDate":"2001-02-20"},{"SOURCE_ROW_NUMBER":"344182","EVENT_NO":"0533315","INSPECTION_BEGIN_DT":"02/15/2001","INSPECTION_END_DT":"02/16/2001","ACTIVITY_CODE":"16","ACTIVITY":"PART 50 AUDIT","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2001-02-15"},{"SOURCE_ROW_NUMBER":"1073163","EVENT_NO":"0504853","INSPECTION_BEGIN_DT":"08/08/2000","INSPECTION_END_DT":"08/22/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"58","SUM_TOTAL_ON_SITE_HOURS":"44","sourceDate":"2000-08-08"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":25,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2003-Q2":{"hours":1160,"employees":3,"production":0},"2003-Q1":{"hours":3775,"employees":8,"production":0},"2002-Q4":{"hours":2677,"employees":3,"production":0},"2002-Q3":{"hours":6945,"employees":10,"production":0},"2002-Q2":{"hours":9654,"employees":10,"production":0},"2002-Q1":{"hours":6814,"employees":10,"production":0},"2001-Q4":{"hours":4705,"employees":11,"production":0},"2001-Q3":{"hours":7262,"employees":9,"production":0},"2001-Q2":{"hours":7285,"employees":7,"production":0},"2001-Q1":{"hours":7739,"employees":12,"production":0},"2000-Q4":{"hours":2320,"employees":8,"production":0},"2000-Q3":{"hours":7376,"employees":11,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":8,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":26042,"employees":9,"production":0},"2001":{"hours":26991,"employees":10,"production":0},"2002":{"hours":26090,"employees":9,"production":0},"2003":{"hours":4935,"employees":7,"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":"2000-08-02","lastDate":"2000-08-02","metrics":{"recentRows":0,"actionTaken":3,"maxExposureRatio":0.91,"overExposureLimit":0,"exposureRatioTotal":2.11},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"204424","EVENT_NO":"0504853","SAMPLE_NO":"800000200000065100","SAMPLE_DATE":"08/02/2000","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.35","EXPOSURE_LIMIT":"0000.47","C_OVER_E":"00.74","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2000-08-02"},{"SOURCE_ROW_NUMBER":"204423","EVENT_NO":"0504853","SAMPLE_NO":"800000200000065000","SAMPLE_DATE":"08/02/2000","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.19","EXPOSURE_LIMIT":"0000.41","C_OVER_E":"00.46","JOB_CD_DESC":"Mechanic","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2000-08-02"},{"SOURCE_ROW_NUMBER":"204422","EVENT_NO":"0504853","SAMPLE_NO":"800000200000064900","SAMPLE_DATE":"08/02/2000","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.21","EXPOSURE_LIMIT":"0000.23","C_OVER_E":"00.91","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2000-08-02"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":31,"firstDate":"2000-08-08","lastDate":"2002-06-13","metrics":{"ss":8,"amountDue":2798,"contested":0,"amountPaid":2798,"recentRows":0,"section104d":0,"unterminated":1,"proposedPenalty":2874},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"289997","VIOLATION_NO":"7944312","VIOLATION_ISSUE_DT":"06/13/2002","SIG_SUB":"N","SECTION_OF_ACT":"104(g)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/13/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-06-13"},{"SOURCE_ROW_NUMBER":"289998","VIOLATION_NO":"7944313","VIOLATION_ISSUE_DT":"06/12/2002","SIG_SUB":"N","PART_SECTION":"56.14112(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/13/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-06-12"},{"SOURCE_ROW_NUMBER":"289984","VIOLATION_NO":"7943965","VIOLATION_ISSUE_DT":"02/25/2002","SIG_SUB":"N","PART_SECTION":"46.11(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/13/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-02-25"},{"SOURCE_ROW_NUMBER":"289983","VIOLATION_NO":"7943964","VIOLATION_ISSUE_DT":"02/25/2002","SIG_SUB":"Y","PART_SECTION":"46.8(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/30/2002","PROPOSED_PENALTY":"259","AMOUNT_DUE":"259","AMOUNT_PAID":"259","CONTESTED_IND":"N","sourceDate":"2002-02-25"},{"SOURCE_ROW_NUMBER":"289982","VIOLATION_NO":"7943963","VIOLATION_ISSUE_DT":"02/25/2002","SIG_SUB":"Y","PART_SECTION":"46.7(b)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Highly","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"396","AMOUNT_DUE":"396","AMOUNT_PAID":"396","CONTESTED_IND":"N","sourceDate":"2002-02-25"},{"SOURCE_ROW_NUMBER":"290012","VIOLATION_NO":"7944201","VIOLATION_ISSUE_DT":"10/26/2001","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/29/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-26"},{"SOURCE_ROW_NUMBER":"290011","VIOLATION_NO":"7943000","VIOLATION_ISSUE_DT":"10/26/2001","SIG_SUB":"N","PART_SECTION":"56.4201(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/29/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-26"},{"SOURCE_ROW_NUMBER":"289996","VIOLATION_NO":"7942510","VIOLATION_ISSUE_DT":"02/21/2001","SIG_SUB":"N","PART_SECTION":"56.12001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/26/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-02-21"},{"SOURCE_ROW_NUMBER":"289995","VIOLATION_NO":"7942507","VIOLATION_ISSUE_DT":"02/21/2001","SIG_SUB":"N","PART_SECTION":"56.12001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/26/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-02-21"},{"SOURCE_ROW_NUMBER":"289994","VIOLATION_NO":"7942506","VIOLATION_ISSUE_DT":"02/21/2001","SIG_SUB":"N","PART_SECTION":"56.14100(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"02/22/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-02-21"},{"SOURCE_ROW_NUMBER":"289993","VIOLATION_NO":"7942505","VIOLATION_ISSUE_DT":"02/21/2001","SIG_SUB":"N","PART_SECTION":"56.14207","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/21/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-02-21"},{"SOURCE_ROW_NUMBER":"289992","VIOLATION_NO":"7942504","VIOLATION_ISSUE_DT":"02/21/2001","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"02/22/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-02-21"}]}],"safety":{"href":"/api/v1/mines/0502777/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0502777/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":"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":"Site-specific hazard awareness training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.11","part":"46","subchapter":"H","subpart":"","id":"46.11","citation":"30 CFR 46.11","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":"Annual refresher training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8","part":"46","subchapter":"H","subpart":"","id":"46.8","citation":"30 CFR 46.8","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":"New task training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7","part":"46","subchapter":"H","subpart":"","id":"46.7","citation":"30 CFR 46.7","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":"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":1},{"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":1},{"chapter":"I","heading":"Circuit overload protection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12001","part":"56","subchapter":"K","subpart":"K","id":"56.12001","citation":"30 CFR 56.12001","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Parking procedures for unattended equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207","part":"56","subchapter":"K","subpart":"M","id":"56.14207","citation":"30 CFR 56.14207","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"0502777","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}