{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0201087","name":"FIRST KNOLL PIT","status":"Abandoned","status_date":"2001-06-05","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"AZ","county":"Navajo","nearest_town":"","operator_id":"L06877","operator_name":"Perkins Cinders Inc","controller_id":"M05483","controller_name":"E Kay  Perkins","district":"C09","office":"Mesa North AZ Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":58},"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":"0201087","name":"FIRST KNOLL PIT"},"operator":{"type":"operator","id":"L06877","name":"Perkins Cinders Inc"},"controller":{"type":"controller","id":"M05483","name":"E Kay  Perkins"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07668","name":"M R Bowers Cinder Company"},"object":{"type":"mine","id":"0201087","name":"FIRST KNOLL PIT"},"validFrom":"1950-01-01","validTo":"1984-11-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201087|L07668|1950-01-01|1984-11-06"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06093","name":"M R  Bowers"},"object":{"type":"mine","id":"0201087","name":"FIRST KNOLL PIT"},"validFrom":"1950-01-01","validTo":"1984-11-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201087|M06093|1950-01-01|1984-11-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06093","name":"M R  Bowers"},"object":{"type":"operator","id":"L07668","name":"M R Bowers Cinder Company"},"validFrom":"1950-01-01","validTo":"1984-11-06","current":false,"derived":true,"evidenceMineId":"0201087","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201087|L07668|1950-01-01|M06093|1950-01-01|136186"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06094","name":"Bob  Stoddard"},"object":{"type":"mine","id":"0201087","name":"FIRST KNOLL PIT"},"validFrom":"1978-03-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201087|M06094|1978-03-09|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05483","name":"E Kay  Perkins"},"object":{"type":"mine","id":"0201087","name":"FIRST KNOLL PIT"},"validFrom":"1983-11-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201087|M05483|1983-11-22|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07669","name":"Fullhouse Cinder Company"},"object":{"type":"mine","id":"0201087","name":"FIRST KNOLL PIT"},"validFrom":"1984-11-07","validTo":"1999-05-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201087|L07669|1984-11-07|1999-05-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06094","name":"Bob  Stoddard"},"object":{"type":"operator","id":"L07669","name":"Fullhouse Cinder Company"},"validFrom":"1984-11-07","validTo":"1999-05-19","current":false,"derived":true,"evidenceMineId":"0201087","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201087|L07669|1984-11-07|M06094|1978-03-09|136187"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06877","name":"Perkins Cinders Inc"},"object":{"type":"mine","id":"0201087","name":"FIRST KNOLL PIT"},"validFrom":"1999-05-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201087|L06877|1999-05-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05483","name":"E Kay  Perkins"},"object":{"type":"operator","id":"L06877","name":"Perkins Cinders Inc"},"validFrom":"1999-05-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"0201087","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201087|L06877|1999-05-20|M05483|1983-11-22|134721"}}],"coverage":{"historyRecords":3,"edgeCount":9,"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":"2001-06-05","lastDate":"2001-06-05","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":14,"firstDate":"2000-02-08","lastDate":"2001-04-03","metrics":{"ss":4,"delinquent":14,"recentRows":0,"paidPenalty":1110,"proposedPenalty":1110,"currentAssessment":1110},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"12111","VIOLATION_NO":"7947584","ISSUE_DT":"04/03/2001","CFR_STANDARD_CD":"56.14112(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"140.00","CURRENT_ASSESSMENT_AMT":"140.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"12110","VIOLATION_NO":"7947583","ISSUE_DT":"04/03/2001","CFR_STANDARD_CD":"56.14109(b)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"12109","VIOLATION_NO":"7947582","ISSUE_DT":"04/03/2001","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"140.00","CURRENT_ASSESSMENT_AMT":"140.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"12108","VIOLATION_NO":"7947581","ISSUE_DT":"04/03/2001","CFR_STANDARD_CD":"56.14112(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"140.00","CURRENT_ASSESSMENT_AMT":"140.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"12107","VIOLATION_NO":"7947580","ISSUE_DT":"04/03/2001","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"12106","VIOLATION_NO":"7947579","ISSUE_DT":"04/03/2001","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"140.00","CURRENT_ASSESSMENT_AMT":"140.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"12105","VIOLATION_NO":"7947578","ISSUE_DT":"04/03/2001","CFR_STANDARD_CD":"48.6","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"45146","VIOLATION_NO":"7945439","ISSUE_DT":"02/08/2000","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-02-08"},{"SOURCE_ROW_NUMBER":"45145","VIOLATION_NO":"7945416","ISSUE_DT":"02/08/2000","CFR_STANDARD_CD":"56.18002(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":"2000-02-08"},{"SOURCE_ROW_NUMBER":"45144","VIOLATION_NO":"7945415","ISSUE_DT":"02/08/2000","CFR_STANDARD_CD":"56.4201(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-02-08"},{"SOURCE_ROW_NUMBER":"45143","VIOLATION_NO":"7945414","ISSUE_DT":"02/08/2000","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-02-08"},{"SOURCE_ROW_NUMBER":"45142","VIOLATION_NO":"7945413","ISSUE_DT":"02/08/2000","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-02-08"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":3,"firstDate":"1950-01-01","lastDate":"1999-05-20","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":3,"firstDate":"2000-02-08","lastDate":"2001-06-05","metrics":{"inspectors":3,"recentRows":0,"onSiteHours":27,"inspectionHours":39,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"86136","EVENT_NO":"0435239","INSPECTION_BEGIN_DT":"06/05/2001","INSPECTION_END_DT":"06/05/2001","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2001-06-05"},{"SOURCE_ROW_NUMBER":"1001618","EVENT_NO":"0435223","INSPECTION_BEGIN_DT":"04/03/2001","INSPECTION_END_DT":"04/04/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"172388","EVENT_NO":"0652019","INSPECTION_BEGIN_DT":"02/08/2000","INSPECTION_END_DT":"02/09/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19","SUM_TOTAL_ON_SITE_HOURS":"16","sourceDate":"2000-02-08"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":18,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2003-Q3":{"hours":2346,"employees":5,"production":0},"2003-Q2":{"hours":3007,"employees":5,"production":0},"2003-Q1":{"hours":2216,"employees":5,"production":0},"2002-Q4":{"hours":2422,"employees":5,"production":0},"2002-Q3":{"hours":2209,"employees":5,"production":0},"2002-Q2":{"hours":2132,"employees":4,"production":0},"2002-Q1":{"hours":1820,"employees":4,"production":0},"2001-Q4":{"hours":2001,"employees":4,"production":0},"2001-Q3":{"hours":2741,"employees":5,"production":0},"2001-Q2":{"hours":1948,"employees":4,"production":0},"2001-Q1":{"hours":1716,"employees":4,"production":0},"2000-Q4":{"hours":1970,"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":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":8858,"employees":5,"production":0},"2001":{"hours":8406,"employees":4,"production":0},"2002":{"hours":8583,"employees":5,"production":0},"2003":{"hours":7569,"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":14,"firstDate":"2000-02-08","lastDate":"2001-04-03","metrics":{"ss":4,"amountDue":1110,"contested":0,"amountPaid":1110,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":1110},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"123171","VIOLATION_NO":"7947584","VIOLATION_ISSUE_DT":"04/03/2001","SIG_SUB":"Y","PART_SECTION":"56.14112(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/04/2001","PROPOSED_PENALTY":"140","AMOUNT_DUE":"140","AMOUNT_PAID":"140","CONTESTED_IND":"N","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"123170","VIOLATION_NO":"7947583","VIOLATION_ISSUE_DT":"04/03/2001","SIG_SUB":"N","PART_SECTION":"56.14109(b)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/04/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"123169","VIOLATION_NO":"7947582","VIOLATION_ISSUE_DT":"04/03/2001","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/04/2001","PROPOSED_PENALTY":"140","AMOUNT_DUE":"140","AMOUNT_PAID":"140","CONTESTED_IND":"N","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"123168","VIOLATION_NO":"7947581","VIOLATION_ISSUE_DT":"04/03/2001","SIG_SUB":"Y","PART_SECTION":"56.14112(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/04/2001","PROPOSED_PENALTY":"140","AMOUNT_DUE":"140","AMOUNT_PAID":"140","CONTESTED_IND":"N","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"123167","VIOLATION_NO":"7947580","VIOLATION_ISSUE_DT":"04/03/2001","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/04/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"123166","VIOLATION_NO":"7947579","VIOLATION_ISSUE_DT":"04/03/2001","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/04/2001","PROPOSED_PENALTY":"140","AMOUNT_DUE":"140","AMOUNT_PAID":"140","CONTESTED_IND":"N","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"123165","VIOLATION_NO":"7947578","VIOLATION_ISSUE_DT":"04/03/2001","SIG_SUB":"N","PART_SECTION":"48.6","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/05/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-04-03"},{"SOURCE_ROW_NUMBER":"123164","VIOLATION_NO":"7945439","VIOLATION_ISSUE_DT":"02/08/2000","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/03/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-02-08"},{"SOURCE_ROW_NUMBER":"123163","VIOLATION_NO":"7945416","VIOLATION_ISSUE_DT":"02/08/2000","SIG_SUB":"N","PART_SECTION":"56.18002(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/08/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-02-08"},{"SOURCE_ROW_NUMBER":"123162","VIOLATION_NO":"7945415","VIOLATION_ISSUE_DT":"02/08/2000","SIG_SUB":"N","PART_SECTION":"56.4201(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/08/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-02-08"},{"SOURCE_ROW_NUMBER":"123161","VIOLATION_NO":"7945414","VIOLATION_ISSUE_DT":"02/08/2000","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/03/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-02-08"},{"SOURCE_ROW_NUMBER":"123160","VIOLATION_NO":"7945413","VIOLATION_ISSUE_DT":"02/08/2000","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/03/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-02-08"}]}],"safety":{"href":"/api/v1/mines/0201087/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0201087/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":2},{"chapter":"I","heading":"Unguarded conveyors with adjacent travelways.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14109","part":"56","subchapter":"K","subpart":"M","id":"56.14109","citation":"30 CFR 56.14109","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":3},{"chapter":"I","heading":"Experienced miner training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-A/section-48.6","part":"48","subchapter":"H","subpart":"A","id":"48.6","citation":"30 CFR 48.6","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 48—TRAINING AND RETRAINING OF MINERS","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","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":3},{"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":"Inspection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201","part":"56","subchapter":"K","subpart":"C","id":"56.4201","citation":"30 CFR 56.4201","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":"0201087","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}