{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4503640","name":"Mr. Rock Inc","status":"Abandoned","status_date":"2011-08-01","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WA","county":"Douglas","nearest_town":"Wenatchee","operator_id":"0084384","operator_name":"Alpine Rock Walls Inc.","controller_id":"0071173","controller_name":"Fred W  Hackney","district":"M7","office":"Kent WA Field Office","employees":0,"latitude":47.466944,"longitude":-120.324166},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":52},"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":"4503640","name":"Mr. Rock Inc"},"operator":{"type":"operator","id":"0084384","name":"Alpine Rock Walls Inc."},"controller":{"type":"controller","id":"0071173","name":"Fred W  Hackney"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0084384","name":"Alpine Rock Inc"},"object":{"type":"mine","id":"4503640","name":"Mr. Rock Inc"},"validFrom":"2007-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503640|0084384|2007-10-30|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0071173","name":"Fred W  Hackney"},"object":{"type":"mine","id":"4503640","name":"Mr. Rock Inc"},"validFrom":"2007-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503640|0071173|2007-10-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0071173","name":"Fred W  Hackney"},"object":{"type":"operator","id":"0084384","name":"Alpine Rock Inc"},"validFrom":"2007-10-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503640","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503640|0084384|2007-10-30|0071173|2007-10-30|10200"}}],"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":"2011-08-01","lastDate":"2011-08-01","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":11,"firstDate":"2007-10-30","lastDate":"2009-08-31","metrics":{"ss":4,"delinquent":11,"recentRows":0,"paidPenalty":120,"proposedPenalty":1415,"currentAssessment":1415},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"634336","VIOLATION_NO":"6487926","ISSUE_DT":"08/31/2009","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-08-31"},{"SOURCE_ROW_NUMBER":"610885","VIOLATION_NO":"6443717","ISSUE_DT":"11/14/2008","CFR_STANDARD_CD":"56.15004","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-11-14"},{"SOURCE_ROW_NUMBER":"589086","VIOLATION_NO":"7979332","ISSUE_DT":"10/30/2007","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"589085","VIOLATION_NO":"7979331","ISSUE_DT":"10/30/2007","CFR_STANDARD_CD":"56.4203","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"589084","VIOLATION_NO":"7979330","ISSUE_DT":"10/30/2007","CFR_STANDARD_CD":"56.14130(a)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"243.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"589083","VIOLATION_NO":"7979329","ISSUE_DT":"10/30/2007","CFR_STANDARD_CD":"56.18002(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"589082","VIOLATION_NO":"7979328","ISSUE_DT":"10/30/2007","CFR_STANDARD_CD":"56.18010","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"589081","VIOLATION_NO":"7979327","ISSUE_DT":"10/30/2007","CFR_STANDARD_CD":"56.15001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"589080","VIOLATION_NO":"7979326","ISSUE_DT":"10/30/2007","CFR_STANDARD_CD":"46.8(c)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"589079","VIOLATION_NO":"7979325","ISSUE_DT":"10/30/2007","CFR_STANDARD_CD":"46.3(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"589078","VIOLATION_NO":"7979324","ISSUE_DT":"10/30/2007","CFR_STANDARD_CD":"56.3130","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"243.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-30"}]},{"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":"2007-10-30","lastDate":"2007-10-30","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":12,"firstDate":"2007-10-29","lastDate":"2011-08-17","metrics":{"inspectors":12,"recentRows":0,"onSiteHours":35,"inspectionHours":93.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"570009","EVENT_NO":"1158613","INSPECTION_BEGIN_DT":"08/17/2011","INSPECTION_END_DT":"08/17/2011","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2011-08-17"},{"SOURCE_ROW_NUMBER":"806764","EVENT_NO":"1154587","INSPECTION_BEGIN_DT":"03/17/2011","INSPECTION_END_DT":"03/17/2011","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2011-03-17"},{"SOURCE_ROW_NUMBER":"556113","EVENT_NO":"1154721","INSPECTION_BEGIN_DT":"08/18/2010","INSPECTION_END_DT":"08/18/2010","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2010-08-18"},{"SOURCE_ROW_NUMBER":"804190","EVENT_NO":"1154100","INSPECTION_BEGIN_DT":"08/31/2009","INSPECTION_END_DT":"08/31/2009","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2009-08-31"},{"SOURCE_ROW_NUMBER":"1060545","EVENT_NO":"1134458","INSPECTION_BEGIN_DT":"11/18/2008","INSPECTION_END_DT":"11/18/2008","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2008-11-18"},{"SOURCE_ROW_NUMBER":"699812","EVENT_NO":"1144320","INSPECTION_BEGIN_DT":"11/14/2008","INSPECTION_END_DT":"11/14/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2008-11-14"},{"SOURCE_ROW_NUMBER":"413155","EVENT_NO":"1144309","INSPECTION_BEGIN_DT":"10/06/2008","INSPECTION_END_DT":"10/07/2008","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2008-10-06"},{"SOURCE_ROW_NUMBER":"590626","EVENT_NO":"1144354","INSPECTION_BEGIN_DT":"10/02/2008","INSPECTION_END_DT":"10/02/2008","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2008-10-02"},{"SOURCE_ROW_NUMBER":"1129408","EVENT_NO":"1144109","INSPECTION_BEGIN_DT":"09/16/2008","INSPECTION_END_DT":"09/18/2008","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2008-09-16"},{"SOURCE_ROW_NUMBER":"462667","EVENT_NO":"1134441","INSPECTION_BEGIN_DT":"11/14/2007","INSPECTION_END_DT":"11/14/2007","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2007-11-14"},{"SOURCE_ROW_NUMBER":"738167","EVENT_NO":"1134437","INSPECTION_BEGIN_DT":"10/30/2007","INSPECTION_END_DT":"10/31/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"294156","EVENT_NO":"1134436","INSPECTION_BEGIN_DT":"10/29/2007","INSPECTION_END_DT":"10/31/2007","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2007-10-29"}]},{"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":{"2011-Q1":{"hours":0,"employees":0,"production":0},"2010-Q4":{"hours":0,"employees":0,"production":0},"2010-Q3":{"hours":0,"employees":0,"production":0},"2010-Q2":{"hours":0,"employees":0,"production":0},"2009-Q4":{"hours":640,"employees":3,"production":0},"2009-Q3":{"hours":420,"employees":3,"production":0},"2009-Q2":{"hours":140,"employees":1,"production":0},"2009-Q1":{"hours":0,"employees":0,"production":0},"2008-Q3":{"hours":349,"employees":2,"production":0},"2008-Q2":{"hours":864,"employees":2,"production":0},"2008-Q1":{"hours":100,"employees":1,"production":0},"2007-Q4":{"hours":420,"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":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2007":{"hours":420,"employees":3,"production":0},"2008":{"hours":1313,"employees":2,"production":0},"2009":{"hours":1200,"employees":2,"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":11,"firstDate":"2007-10-30","lastDate":"2009-08-31","metrics":{"ss":4,"amountDue":1415,"contested":0,"amountPaid":120,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":1415},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2479708","VIOLATION_NO":"6487926","VIOLATION_ISSUE_DT":"08/31/2009","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/05/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2009-08-31"},{"SOURCE_ROW_NUMBER":"2479718","VIOLATION_NO":"6443717","VIOLATION_ISSUE_DT":"11/14/2008","SIG_SUB":"Y","PART_SECTION":"56.15004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/14/2008","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2008-11-14"},{"SOURCE_ROW_NUMBER":"2479717","VIOLATION_NO":"7979332","VIOLATION_ISSUE_DT":"10/30/2007","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/30/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"2479716","VIOLATION_NO":"7979331","VIOLATION_ISSUE_DT":"10/30/2007","SIG_SUB":"N","PART_SECTION":"56.4203","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/14/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"2479715","VIOLATION_NO":"7979330","VIOLATION_ISSUE_DT":"10/30/2007","SIG_SUB":"Y","PART_SECTION":"56.14130(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/14/2007","PROPOSED_PENALTY":"243","AMOUNT_DUE":"243","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"2479714","VIOLATION_NO":"7979329","VIOLATION_ISSUE_DT":"10/30/2007","SIG_SUB":"N","PART_SECTION":"56.18002(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/30/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"2479713","VIOLATION_NO":"7979328","VIOLATION_ISSUE_DT":"10/30/2007","SIG_SUB":"N","PART_SECTION":"56.18010","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"3","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/03/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"2479712","VIOLATION_NO":"7979327","VIOLATION_ISSUE_DT":"10/30/2007","SIG_SUB":"N","PART_SECTION":"56.15001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/14/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"2479711","VIOLATION_NO":"7979326","VIOLATION_ISSUE_DT":"10/30/2007","SIG_SUB":"Y","PART_SECTION":"46.8(c)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/14/2007","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"2479710","VIOLATION_NO":"7979325","VIOLATION_ISSUE_DT":"10/30/2007","SIG_SUB":"N","PART_SECTION":"46.3(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/31/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2007-10-30"},{"SOURCE_ROW_NUMBER":"2479709","VIOLATION_NO":"7979324","VIOLATION_ISSUE_DT":"10/30/2007","SIG_SUB":"Y","PART_SECTION":"56.3130","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/31/2007","PROPOSED_PENALTY":"243","AMOUNT_DUE":"243","AMOUNT_PAID":"120","CONTESTED_IND":"N","sourceDate":"2007-10-30"}]}],"safety":{"href":"/api/v1/mines/4503640/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4503640/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":1},{"chapter":"I","heading":"Eye protection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15004","part":"56","subchapter":"K","subpart":"N","id":"56.15004","citation":"30 CFR 56.15004","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":"Notification of commencement of operations and closing of mines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000","part":"56","subchapter":"K","subpart":"A","id":"56.1000","citation":"30 CFR 56.1000","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":"Extinguisher recharging or replacement.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4203","part":"56","subchapter":"K","subpart":"C","id":"56.4203","citation":"30 CFR 56.4203","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":"Roll-over protective structures (ROPS) and seat belts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130","part":"56","subchapter":"K","subpart":"M","id":"56.14130","citation":"30 CFR 56.14130","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":"Examination of working places.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002","part":"56","subchapter":"K","subpart":"Q","id":"56.18002","citation":"30 CFR 56.18002","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":"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":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},{"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":"Training plans.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3","part":"46","subchapter":"H","subpart":"","id":"46.3","citation":"30 CFR 46.3","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":"Wall, bank, and slope stability.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3130","part":"56","subchapter":"K","subpart":"B","id":"56.3130","citation":"30 CFR 56.3130","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":"4503640","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}