{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2601427","name":"Bonanza Opal Mines, Inc.","status":"Temporarily Idled","status_date":"2023-09-03","mine_type":"Surface","coal_metal":"M","commodity":"Gemstones","state":"NV","county":"Humboldt","nearest_town":"Denio","operator_id":"0134214","operator_name":"Bonanza Opal Mines, Inc.","controller_id":"0114225","controller_name":"Klaus  Althammer","district":"M7","office":"Elko NV Field Office","employees":2,"latitude":41.829167,"longitude":-118.699167},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":82},"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":"2601427","name":"Bonanza Opal Mines, Inc."},"operator":{"type":"operator","id":"0134214","name":"Bonanza Opal Mines, Inc."},"controller":{"type":"controller","id":"0114225","name":"Klaus  Althammer"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01422","name":"G Keith Hodson"},"object":{"type":"mine","id":"2601427","name":"Bonanza Opal Mines, Inc."},"validFrom":"1950-01-01","validTo":"2014-07-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2601427|L01422|1950-01-01|2014-07-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01267","name":"Hodson G Keith"},"object":{"type":"mine","id":"2601427","name":"Bonanza Opal Mines, Inc."},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2601427|M01267|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01267","name":"Hodson G Keith"},"object":{"type":"operator","id":"L01422","name":"G Keith Hodson"},"validFrom":"1950-01-01","validTo":"2014-07-02","current":false,"derived":true,"evidenceMineId":"2601427","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2601427|L01422|1950-01-01|M01267|1950-01-01|117710"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0134214","name":"Bonanza Opal Mines, Inc."},"object":{"type":"mine","id":"2601427","name":"Bonanza Opal Mines, Inc."},"validFrom":"2014-07-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2601427|0134214|2014-07-03|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0114225","name":"Klaus  Althammer et al"},"object":{"type":"mine","id":"2601427","name":"Bonanza Opal Mines, Inc."},"validFrom":"2014-07-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2601427|0114225|2014-07-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0114225","name":"Klaus  Althammer et al"},"object":{"type":"operator","id":"0134214","name":"Bonanza Opal Mines, Inc."},"validFrom":"2014-07-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"2601427","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2601427|0134214|2014-07-03|0114225|2014-07-03|21446"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":"2023-09-03","lastDate":"2023-09-03","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":"2015-08-11","lastDate":"2025-07-09","metrics":{"ss":0,"delinquent":2,"recentRows":1,"paidPenalty":251,"proposedPenalty":251,"currentAssessment":251},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2649800","VIOLATION_NO":"5104452","ISSUE_DT":"07/09/2025","CFR_STANDARD_CD":"46.9(b)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"2200923","VIOLATION_NO":"8876063","ISSUE_DT":"08/11/2015","CFR_STANDARD_CD":"46.9(c)(3)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2015-08-11"}]},{"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":"2026-01-22","lastDate":"2026-01-22","metrics":{"appeals":0,"decisions":2,"recentRows":2,"decisionPenalty":151,"originalPenalty":302},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"458779","VIOLATION_NO":"5104452","DOCKET_NO":"WEST 2025-0376","DECISION_DT":"01/22/2026","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"151.00","DECISION_PENALTY_AMT":"151.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Young","sourceDate":"2026-01-22"},{"SOURCE_ROW_NUMBER":"166840","VIOLATION_NO":"5104453","DOCKET_NO":"WEST 2025-0376","DECISION_DT":"01/22/2026","DECISION_TYPE_CODE_DESC":"Vacate","ORIGINAL_PENALTY_AMT":"151.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Young","sourceDate":"2026-01-22"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":2,"firstDate":"2025-07-09","lastDate":"2025-07-09","metrics":{"decisions":2,"ssChanged":1,"recentRows":2,"decisionPenalty":151,"proposedPenalty":302},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"450548","CITATION_NO":"5104452","CITATION_ISSUE_DT":"07/09/2025","DOCKET_NO":"WEST 2025-0376","DECISION_DT":"01/22/2026","CFR_STANDARD_CODE":"46.9(b)(2)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"151.00","DECISION_PENALTY_AMT":"151.00","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"54847","CITATION_NO":"5104453","CITATION_ISSUE_DT":"07/09/2025","DOCKET_NO":"WEST 2025-0376","DECISION_DT":"01/22/2026","CFR_STANDARD_CODE":"46.9(b)(2)","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"151.00","DECISION_PENALTY_AMT":".00","sourceDate":"2025-07-09"}]},{"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":"1950-01-01","lastDate":"2014-07-03","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":12,"firstDate":"2015-08-11","lastDate":"2026-07-18","metrics":{"inspectors":12,"recentRows":6,"onSiteHours":48.25,"inspectionHours":82.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"296331","EVENT_NO":"F011AE2","INSPECTION_BEGIN_DT":"07/18/2026","INSPECTION_END_DT":"07/18/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2026-07-18"},{"SOURCE_ROW_NUMBER":"208266","EVENT_NO":"6880505","INSPECTION_BEGIN_DT":"07/08/2025","INSPECTION_END_DT":"07/22/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19.75","SUM_TOTAL_ON_SITE_HOURS":"9.5","sourceDate":"2025-07-08"},{"SOURCE_ROW_NUMBER":"101027","EVENT_NO":"6965336","INSPECTION_BEGIN_DT":"07/12/2024","INSPECTION_END_DT":"07/12/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2024-07-12"},{"SOURCE_ROW_NUMBER":"281516","EVENT_NO":"6965902","INSPECTION_BEGIN_DT":"08/07/2023","INSPECTION_END_DT":"09/11/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"15.5","sourceDate":"2023-08-07"},{"SOURCE_ROW_NUMBER":"535847","EVENT_NO":"6824003","INSPECTION_BEGIN_DT":"07/06/2022","INSPECTION_END_DT":"07/07/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.25","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2022-07-06"},{"SOURCE_ROW_NUMBER":"23261","EVENT_NO":"6823797","INSPECTION_BEGIN_DT":"09/09/2021","INSPECTION_END_DT":"09/09/2021","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.75","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2021-09-09"},{"SOURCE_ROW_NUMBER":"130979","EVENT_NO":"6874613","INSPECTION_BEGIN_DT":"09/01/2020","INSPECTION_END_DT":"09/03/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2020-09-01"},{"SOURCE_ROW_NUMBER":"690552","EVENT_NO":"6822422","INSPECTION_BEGIN_DT":"06/19/2019","INSPECTION_END_DT":"06/19/2019","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2019-06-19"},{"SOURCE_ROW_NUMBER":"286110","EVENT_NO":"6822330","INSPECTION_BEGIN_DT":"09/11/2018","INSPECTION_END_DT":"09/12/2018","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2018-09-11"},{"SOURCE_ROW_NUMBER":"445260","EVENT_NO":"6670915","INSPECTION_BEGIN_DT":"06/08/2017","INSPECTION_END_DT":"06/09/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2017-06-08"},{"SOURCE_ROW_NUMBER":"598948","EVENT_NO":"6670238","INSPECTION_BEGIN_DT":"06/20/2016","INSPECTION_END_DT":"06/21/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2016-06-20"},{"SOURCE_ROW_NUMBER":"359018","EVENT_NO":"6597847","INSPECTION_BEGIN_DT":"08/11/2015","INSPECTION_END_DT":"08/20/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.25","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2015-08-11"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":44,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":295,"employees":9,"production":0},"2026-Q1":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":0,"employees":0,"production":0},"2025-Q3":{"hours":2312,"employees":9,"production":0},"2025-Q2":{"hours":1549,"employees":6,"production":0},"2025-Q1":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":0,"employees":0,"production":0},"2024-Q3":{"hours":1832,"employees":5,"production":0},"2024-Q2":{"hours":1324,"employees":6,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":0,"employees":0,"production":0},"2023-Q3":{"hours":2153,"employees":6,"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":14,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2016":{"hours":3711,"employees":5,"production":0},"2017":{"hours":3103,"employees":7,"production":0},"2019":{"hours":3001,"employees":35,"production":0},"2020":{"hours":1728,"employees":4,"production":0},"2021":{"hours":3729,"employees":6,"production":0},"2022":{"hours":3796,"employees":7,"production":0},"2023":{"hours":3840,"employees":7,"production":0},"2024":{"hours":3156,"employees":6,"production":0},"2025":{"hours":3861,"employees":8,"production":0},"2026":{"hours":295,"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":2,"firstDate":"2015-08-11","lastDate":"2025-07-09","metrics":{"ss":0,"amountDue":251,"contested":0,"amountPaid":251,"recentRows":1,"section104d":0,"unterminated":0,"proposedPenalty":251},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1516241","VIOLATION_NO":"5104452","VIOLATION_ISSUE_DT":"07/09/2025","SIG_SUB":"N","PART_SECTION":"46.9(b)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/22/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"1516242","VIOLATION_NO":"8876063","VIOLATION_ISSUE_DT":"08/11/2015","SIG_SUB":"N","PART_SECTION":"46.9(c)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/11/2015","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2015-08-11"}]}],"safety":{"href":"/api/v1/mines/2601427/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2601427/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":"Records of training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9","part":"46","subchapter":"H","subpart":"","id":"46.9","citation":"30 CFR 46.9","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":2}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2601427","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}