{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2302355","name":"Rolla Sand & Gravel","status":"Abandoned","status_date":"2007-08-20","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MO","county":"Phelps","nearest_town":"rolla","operator_id":"0078783","operator_name":"Rolla Sand & Gravel","controller_id":"0066189","controller_name":"Patrick B  Wyatt","district":"C10","office":"Rolla MO Field Office","employees":0,"latitude":37.936398,"longitude":-91.833148},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":31},"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":"2302355","name":"Rolla Sand & Gravel"},"operator":{"type":"operator","id":"0078783","name":"Rolla Sand & Gravel"},"controller":{"type":"controller","id":"0066189","name":"Patrick B  Wyatt"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0078783","name":"Rolla Sand & Gravel"},"object":{"type":"mine","id":"2302355","name":"Rolla Sand & Gravel"},"validFrom":"2007-02-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302355|0078783|2007-02-16|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0066189","name":"Patrick B  Wyatt"},"object":{"type":"mine","id":"2302355","name":"Rolla Sand & Gravel"},"validFrom":"2007-02-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302355|0066189|2007-02-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0066189","name":"Patrick B  Wyatt"},"object":{"type":"operator","id":"0078783","name":"Rolla Sand & Gravel"},"validFrom":"2007-02-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"2302355","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302355|0078783|2007-02-16|0066189|2007-02-16|9178"}}],"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":"2007-08-20","lastDate":"2007-08-20","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":7,"firstDate":"2007-08-02","lastDate":"2007-08-02","metrics":{"ss":2,"delinquent":7,"recentRows":0,"paidPenalty":0,"proposedPenalty":1100,"currentAssessment":1100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"426351","VIOLATION_NO":"7862841","ISSUE_DT":"08/02/2007","CFR_STANDARD_CD":"56.18010","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"112.00","CURRENT_ASSESSMENT_AMT":"112.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-08-02"},{"SOURCE_ROW_NUMBER":"426350","VIOLATION_NO":"7862840","ISSUE_DT":"08/02/2007","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"112.00","CURRENT_ASSESSMENT_AMT":"112.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-08-02"},{"SOURCE_ROW_NUMBER":"426349","VIOLATION_NO":"7862839","ISSUE_DT":"08/02/2007","CFR_STANDARD_CD":"56.20003(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"112.00","CURRENT_ASSESSMENT_AMT":"112.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-08-02"},{"SOURCE_ROW_NUMBER":"426348","VIOLATION_NO":"7862838","ISSUE_DT":"08/02/2007","CFR_STANDARD_CD":"56.11012","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"270.00","CURRENT_ASSESSMENT_AMT":"270.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-08-02"},{"SOURCE_ROW_NUMBER":"426347","VIOLATION_NO":"7862837","ISSUE_DT":"08/02/2007","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"270.00","CURRENT_ASSESSMENT_AMT":"270.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-08-02"},{"SOURCE_ROW_NUMBER":"426346","VIOLATION_NO":"7862836","ISSUE_DT":"08/02/2007","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"112.00","CURRENT_ASSESSMENT_AMT":"112.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-08-02"},{"SOURCE_ROW_NUMBER":"426345","VIOLATION_NO":"7862835","ISSUE_DT":"08/02/2007","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"112.00","CURRENT_ASSESSMENT_AMT":"112.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-08-02"}]},{"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":"2007-02-16","lastDate":"2007-02-16","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":2,"firstDate":"2007-08-02","lastDate":"2007-08-13","metrics":{"inspectors":2,"recentRows":0,"onSiteHours":11.5,"inspectionHours":19.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"977517","EVENT_NO":"1042992","INSPECTION_BEGIN_DT":"08/13/2007","INSPECTION_END_DT":"08/13/2007","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2007-08-13"},{"SOURCE_ROW_NUMBER":"480689","EVENT_NO":"1043187","INSPECTION_BEGIN_DT":"08/02/2007","INSPECTION_END_DT":"08/03/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.5","SUM_TOTAL_ON_SITE_HOURS":"8.5","sourceDate":"2007-08-02"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2007-Q2":{"hours":1178,"employees":4,"production":0},"2007-Q1":{"hours":1440,"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":{"2007":{"hours":2618,"employees":4,"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":14,"firstDate":"2007-08-02","lastDate":"2007-08-03","metrics":{"ss":2,"amountDue":1100,"contested":0,"amountPaid":0,"recentRows":0,"section104d":0,"unterminated":7,"proposedPenalty":1100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1445809","VIOLATION_NO":"7862848","VIOLATION_ISSUE_DT":"08/03/2007","PART_SECTION":"56.18010","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/10/2007","CONTESTED_IND":"N","sourceDate":"2007-08-03"},{"SOURCE_ROW_NUMBER":"1445808","VIOLATION_NO":"7862847","VIOLATION_ISSUE_DT":"08/03/2007","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/10/2007","CONTESTED_IND":"N","sourceDate":"2007-08-03"},{"SOURCE_ROW_NUMBER":"1445807","VIOLATION_NO":"7862846","VIOLATION_ISSUE_DT":"08/03/2007","PART_SECTION":"56.11012","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/10/2007","CONTESTED_IND":"N","sourceDate":"2007-08-03"},{"SOURCE_ROW_NUMBER":"1445806","VIOLATION_NO":"7862845","VIOLATION_ISSUE_DT":"08/03/2007","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/10/2007","CONTESTED_IND":"N","sourceDate":"2007-08-03"},{"SOURCE_ROW_NUMBER":"1445805","VIOLATION_NO":"7862844","VIOLATION_ISSUE_DT":"08/03/2007","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/10/2007","CONTESTED_IND":"N","sourceDate":"2007-08-03"},{"SOURCE_ROW_NUMBER":"1445804","VIOLATION_NO":"7862843","VIOLATION_ISSUE_DT":"08/03/2007","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/10/2007","CONTESTED_IND":"N","sourceDate":"2007-08-03"},{"SOURCE_ROW_NUMBER":"1445803","VIOLATION_NO":"7862842","VIOLATION_ISSUE_DT":"08/03/2007","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"08/10/2007","CONTESTED_IND":"N","sourceDate":"2007-08-03"},{"SOURCE_ROW_NUMBER":"1445802","VIOLATION_NO":"7862841","VIOLATION_ISSUE_DT":"08/02/2007","SIG_SUB":"N","PART_SECTION":"56.18010","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","PROPOSED_PENALTY":"112","AMOUNT_DUE":"112","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-08-02"},{"SOURCE_ROW_NUMBER":"1445801","VIOLATION_NO":"7862840","VIOLATION_ISSUE_DT":"08/02/2007","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"112","AMOUNT_DUE":"112","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-08-02"},{"SOURCE_ROW_NUMBER":"1445800","VIOLATION_NO":"7862839","VIOLATION_ISSUE_DT":"08/02/2007","SIG_SUB":"N","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"112","AMOUNT_DUE":"112","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-08-02"},{"SOURCE_ROW_NUMBER":"1445799","VIOLATION_NO":"7862838","VIOLATION_ISSUE_DT":"08/02/2007","SIG_SUB":"Y","PART_SECTION":"56.11012","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"270","AMOUNT_DUE":"270","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-08-02"},{"SOURCE_ROW_NUMBER":"1445798","VIOLATION_NO":"7862837","VIOLATION_ISSUE_DT":"08/02/2007","SIG_SUB":"Y","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"270","AMOUNT_DUE":"270","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-08-02"}]}],"safety":{"href":"/api/v1/mines/2302355/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2302355/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":"First aid.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18010","part":"56","subchapter":"K","subpart":"Q","id":"56.18010","citation":"30 CFR 56.18010","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":"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":2},{"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":2},{"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},{"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},{"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":2},{"chapter":"I","heading":"Housekeeping.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003","part":"56","subchapter":"K","subpart":"S","id":"56.20003","citation":"30 CFR 56.20003","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2302355","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}