{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"4104320","name":"R & J Building Stone Quarry","status":"Abandoned","status_date":"2003-05-29","mine_type":"Surface","coal_metal":"M","commodity":"Dimension Stone NEC","state":"TX","county":"El Paso","nearest_town":"El Paso","operator_id":"0050061","operator_name":"R & J Materials","controller_id":"0040526","controller_name":"Ruben  Perez","district":"M5","office":"Carlsbad NM Field Office","employees":0,"latitude":31.828944,"longitude":-106.181793},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":21},"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":"2026-10-17T05:35:58.500035+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":"4104320","name":"R & J Building Stone Quarry"},"operator":{"type":"operator","id":"0050061","name":"R & J Materials"},"controller":{"type":"controller","id":"0040526","name":"Ruben  Perez"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050061","name":"R & J Materials"},"object":{"type":"mine","id":"4104320","name":"R & J Building Stone Quarry"},"validFrom":"2001-10-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104320|0050061|2001-10-29|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0040526","name":"Ruben  Perez"},"object":{"type":"mine","id":"4104320","name":"R & J Building Stone Quarry"},"validFrom":"2001-10-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104320|0040526|2001-10-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0040526","name":"Ruben  Perez"},"object":{"type":"operator","id":"0050061","name":"R & J Materials"},"validFrom":"2001-10-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"4104320","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104320|0050061|2001-10-29|0040526|2001-10-29|139"}}],"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":"2003-05-29","lastDate":"2003-05-29","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":5,"firstDate":"2003-02-19","lastDate":"2003-02-19","metrics":{"ss":1,"delinquent":5,"recentRows":0,"paidPenalty":0,"proposedPenalty":381,"currentAssessment":381},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"393831","VIOLATION_NO":"6216951","ISSUE_DT":"02/19/2003","CFR_STANDARD_CD":"50.30","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-02-19"},{"SOURCE_ROW_NUMBER":"393830","VIOLATION_NO":"6216950","ISSUE_DT":"02/19/2003","CFR_STANDARD_CD":"50.30","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-02-19"},{"SOURCE_ROW_NUMBER":"393829","VIOLATION_NO":"6216949","ISSUE_DT":"02/19/2003","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"161.00","CURRENT_ASSESSMENT_AMT":"161.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-02-19"},{"SOURCE_ROW_NUMBER":"393828","VIOLATION_NO":"6216947","ISSUE_DT":"02/19/2003","CFR_STANDARD_CD":"57.20002(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":"2003-02-19"},{"SOURCE_ROW_NUMBER":"393827","VIOLATION_NO":"6216946","ISSUE_DT":"02/19/2003","CFR_STANDARD_CD":"56.15001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-02-19"}]},{"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":"2001-10-29","lastDate":"2001-10-29","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":3,"firstDate":"2002-01-30","lastDate":"2003-02-19","metrics":{"inspectors":2,"recentRows":0,"onSiteHours":22,"inspectionHours":35,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"469642","EVENT_NO":"1020440","INSPECTION_BEGIN_DT":"02/19/2003","INSPECTION_END_DT":"02/20/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2003-02-19"},{"SOURCE_ROW_NUMBER":"230935","EVENT_NO":"1017613","INSPECTION_BEGIN_DT":"09/17/2002","INSPECTION_END_DT":"09/17/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2002-09-17"},{"SOURCE_ROW_NUMBER":"385960","EVENT_NO":"0714699","INSPECTION_BEGIN_DT":"01/30/2002","INSPECTION_END_DT":"01/31/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"13","sourceDate":"2002-01-30"}]},{"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":{"2002-Q4":{"hours":2400,"employees":5,"production":0},"2001-Q3":{"hours":1520,"employees":4,"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":{"2001":{"hours":1520,"employees":4,"production":0},"2002":{"hours":2400,"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-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":6,"firstDate":"2003-02-19","lastDate":"2003-02-19","metrics":{"ss":1,"amountDue":381,"contested":0,"amountPaid":0,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":381},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2163265","VIOLATION_NO":"6216951","VIOLATION_ISSUE_DT":"02/19/2003","SIG_SUB":"N","SECTION_OF_ACT":"103(h)","PART_SECTION":"50.30","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"7","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/28/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2003-02-19"},{"SOURCE_ROW_NUMBER":"2163264","VIOLATION_NO":"6216950","VIOLATION_ISSUE_DT":"02/19/2003","SIG_SUB":"N","SECTION_OF_ACT":"103(h)","PART_SECTION":"50.30","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"4","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/28/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2003-02-19"},{"SOURCE_ROW_NUMBER":"2163263","VIOLATION_NO":"6216949","VIOLATION_ISSUE_DT":"02/19/2003","SIG_SUB":"Y","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"02/20/2003","PROPOSED_PENALTY":"161","AMOUNT_DUE":"161","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2003-02-19"},{"SOURCE_ROW_NUMBER":"2163262","VIOLATION_NO":"6216948","VIOLATION_ISSUE_DT":"02/19/2003","SIG_SUB":"N","PART_SECTION":"56.18013","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/20/2003","CONTESTED_IND":"N","sourceDate":"2003-02-19"},{"SOURCE_ROW_NUMBER":"2163261","VIOLATION_NO":"6216947","VIOLATION_ISSUE_DT":"02/19/2003","SIG_SUB":"N","PART_SECTION":"57.20002(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/20/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2003-02-19"},{"SOURCE_ROW_NUMBER":"2163260","VIOLATION_NO":"6216946","VIOLATION_ISSUE_DT":"02/19/2003","SIG_SUB":"N","PART_SECTION":"56.15001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/20/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2003-02-19"}]}],"safety":{"href":"/api/v1/mines/4104320/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4104320/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":"Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30","part":"50","subchapter":"I","subpart":"D","id":"50.30","citation":"30 CFR 50.30","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN 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":"Emergency communications system.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18013","part":"56","subchapter":"K","subpart":"Q","id":"56.18013","citation":"30 CFR 56.18013","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":"Potable water.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20002","part":"57","subchapter":"K","subpart":"S","id":"57.20002","citation":"30 CFR 57.20002","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"First-aid materials.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001","part":"56","subchapter":"K","subpart":"N","id":"56.15001","citation":"30 CFR 56.15001","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":"4104320","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}