{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4801892","name":"MOLNAR PIT","status":"Temporarily Idled","status_date":"2026-09-14","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WY","county":"Big Horn","nearest_town":"GREYBULL","operator_id":"L16909","operator_name":"BIG HORN REDI MIX, INC.","controller_id":"M10451","controller_name":"Raymond W  DeVries","district":"C09","office":"Gillette WY Field Office","employees":4,"latitude":44.490833,"longitude":-108.238611},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":24},"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":"4801892","name":"MOLNAR PIT"},"operator":{"type":"operator","id":"L16909","name":"BIG HORN REDI MIX, INC."},"controller":{"type":"controller","id":"M10451","name":"Raymond W  DeVries"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10451","name":"Raymond W  DeVries"},"object":{"type":"mine","id":"4801892","name":"MOLNAR PIT"},"validFrom":"1999-05-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801892|M10451|1999-05-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16909","name":"BIG HORN REDI MIX, INC."},"object":{"type":"mine","id":"4801892","name":"MOLNAR PIT"},"validFrom":"2025-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801892|L16909|2025-01-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10451","name":"Raymond W  DeVries"},"object":{"type":"operator","id":"L16909","name":"BIG HORN REDI MIX, INC."},"validFrom":"2025-01-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"4801892","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4801892|L16909|2025-01-16|M10451|1999-05-10|149273"}}],"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":"2026-09-14","lastDate":"2026-09-14","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":1,"firstDate":"2025-07-09","lastDate":"2025-07-09","metrics":{"ss":0,"delinquent":1,"recentRows":1,"paidPenalty":151,"proposedPenalty":151,"currentAssessment":151},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2030178","VIOLATION_NO":"9732040","ISSUE_DT":"07/09/2025","CFR_STANDARD_CD":"56.14112(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-09"}]},{"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":"2025-01-16","lastDate":"2025-01-16","metrics":{"recentRows":1,"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":2,"firstDate":"2025-07-09","lastDate":"2026-09-16","metrics":{"inspectors":3,"recentRows":2,"onSiteHours":10.5,"inspectionHours":17.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"220820","EVENT_NO":"F010EF8","INSPECTION_BEGIN_DT":"09/16/2026","INSPECTION_END_DT":"09/21/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2026-09-16"},{"SOURCE_ROW_NUMBER":"77100","EVENT_NO":"6469077","INSPECTION_BEGIN_DT":"07/09/2025","INSPECTION_END_DT":"07/09/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2025-07-09"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":12,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":407,"employees":4,"production":0},"2026-Q1":{"hours":334,"employees":6,"production":0},"2025-Q4":{"hours":60,"employees":5,"production":0},"2025-Q3":{"hours":436,"employees":2,"production":0},"2025-Q2":{"hours":415,"employees":4,"production":0},"2025-Q1":{"hours":679,"employees":5,"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":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2025":{"hours":1590,"employees":4,"production":0},"2026":{"hours":741,"employees":5,"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":2,"firstDate":"2025-07-09","lastDate":"2025-07-09","metrics":{"recentRows":2,"actionTaken":2,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"294592","EVENT_NO":"6469077","SAMPLE_NO":"000000202502807700","SAMPLE_DATE":"07/09/2025","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":"2025-07-09"},{"SOURCE_ROW_NUMBER":"294591","EVENT_NO":"6469077","SAMPLE_NO":"000000202502807600","SAMPLE_DATE":"07/09/2025","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Bulldozer Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-07-09"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":1,"firstDate":"2025-07-09","lastDate":"2025-07-09","metrics":{"ss":0,"amountDue":151,"contested":0,"amountPaid":151,"recentRows":1,"section104d":0,"unterminated":0,"proposedPenalty":151},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3074640","VIOLATION_NO":"9732040","VIOLATION_ISSUE_DT":"07/09/2025","SIG_SUB":"N","PART_SECTION":"56.14112(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/09/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-07-09"}]}],"safety":{"href":"/api/v1/mines/4801892/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4801892/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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4801892","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}