{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4104874","name":"LU824","status":"Abandoned","status_date":"2012-02-21","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"TX","county":"Glasscock","nearest_town":"Garden City","operator_id":"L16025","operator_name":"Laredo Paving, Inc","controller_id":"M02046","controller_name":"Summit Materials LLC","district":"M5","office":"Carlsbad NM Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":17},"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":"4104874","name":"LU824"},"operator":{"type":"operator","id":"L16025","name":"Laredo Paving, Inc"},"controller":{"type":"controller","id":"M02046","name":"Summit Materials LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12230","name":"Bob  Price"},"object":{"type":"mine","id":"4104874","name":"LU824"},"validFrom":"1998-07-01","validTo":"2018-01-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104874|M12230|1998-07-01|2018-01-11"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16025","name":"Laredo Paving, Inc"},"object":{"type":"mine","id":"4104874","name":"LU824"},"validFrom":"2011-04-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104874|L16025|2011-04-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12230","name":"Bob  Price"},"object":{"type":"operator","id":"L16025","name":"Laredo Paving, Inc"},"validFrom":"2011-04-18","validTo":"2018-01-11","current":false,"derived":true,"evidenceMineId":"4104874","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104874|L16025|2011-04-18|M12230|1998-07-01|153359"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02046","name":"Summit Materials LLC"},"object":{"type":"mine","id":"4104874","name":"LU824"},"validFrom":"2018-01-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104874|M02046|2018-01-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02046","name":"Summit Materials LLC"},"object":{"type":"operator","id":"L16025","name":"Laredo Paving, Inc"},"validFrom":"2018-01-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"4104874","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104874|L16025|2011-04-18|M02046|2018-01-12|123079"}}],"coverage":{"historyRecords":2,"edgeCount":5,"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":"2012-02-21","lastDate":"2012-02-21","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":2,"firstDate":"2011-04-18","lastDate":"2011-04-19","metrics":{"ss":0,"delinquent":2,"recentRows":0,"paidPenalty":263,"proposedPenalty":907,"currentAssessment":263},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2115417","VIOLATION_NO":"8615324","ISSUE_DT":"04/19/2011","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"807.00","CURRENT_ASSESSMENT_AMT":"163.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-04-19"},{"SOURCE_ROW_NUMBER":"2115416","VIOLATION_NO":"8615323","ISSUE_DT":"04/18/2011","CFR_STANDARD_CD":"56.9301","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-04-18"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":2,"firstDate":"2012-08-28","lastDate":"2012-08-28","metrics":{"appeals":0,"decisions":2,"recentRows":0,"decisionPenalty":263,"originalPenalty":907},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"314650","VIOLATION_NO":"8615323","DOCKET_NO":"CENT 2012-164M","DECISION_DT":"08/28/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2012-08-28"},{"SOURCE_ROW_NUMBER":"313977","VIOLATION_NO":"8615324","DOCKET_NO":"CENT 2012-164M","DECISION_DT":"08/28/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"807.00","DECISION_PENALTY_AMT":"163.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2012-08-28"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":2,"firstDate":"2011-04-18","lastDate":"2011-04-19","metrics":{"decisions":2,"ssChanged":1,"recentRows":0,"decisionPenalty":263,"proposedPenalty":907},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"80497","CITATION_NO":"8615324","CITATION_ISSUE_DT":"04/19/2011","DOCKET_NO":"CENT 2012-164M","DECISION_DT":"08/28/2012","CFR_STANDARD_CODE":"56.12028","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"807.00","DECISION_PENALTY_AMT":"163.00","sourceDate":"2011-04-19"},{"SOURCE_ROW_NUMBER":"362909","CITATION_NO":"8615323","CITATION_ISSUE_DT":"04/18/2011","DOCKET_NO":"CENT 2012-164M","DECISION_DT":"08/28/2012","CFR_STANDARD_CODE":"56.9301","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2011-04-18"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":2,"firstDate":"2011-04-18","lastDate":"2011-04-18","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1,"firstDate":"2011-04-18","lastDate":"2011-04-18","metrics":{"inspectors":1,"recentRows":0,"onSiteHours":2,"inspectionHours":2,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"56163","EVENT_NO":"6549539","INSPECTION_BEGIN_DT":"04/18/2011","INSPECTION_END_DT":"04/19/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2011-04-18"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011-Q2":{"hours":542,"employees":3,"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":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011":{"hours":542,"employees":3,"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-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":2,"firstDate":"2011-04-18","lastDate":"2011-04-19","metrics":{"ss":0,"amountDue":263,"contested":0,"amountPaid":263,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":907},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2186519","VIOLATION_NO":"8615324","VIOLATION_ISSUE_DT":"04/19/2011","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"04/19/2011","PROPOSED_PENALTY":"807","AMOUNT_DUE":"163","AMOUNT_PAID":"163","CONTESTED_IND":"N","sourceDate":"2011-04-19"},{"SOURCE_ROW_NUMBER":"2186518","VIOLATION_NO":"8615323","VIOLATION_ISSUE_DT":"04/18/2011","SIG_SUB":"N","PART_SECTION":"56.9301","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"04/19/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-04-18"}]}],"safety":{"href":"/api/v1/mines/4104874/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4104874/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":"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":"Dump site restraints.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9301","part":"56","subchapter":"K","subpart":"H","id":"56.9301","citation":"30 CFR 56.9301","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":"4104874","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}