{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"5100309","name":"Crusher G","status":"Abandoned","status_date":"2025-12-16","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"HI","county":"Hawaii","nearest_town":"Kailua Kona","operator_id":"L12199","operator_name":"Isemoto Contracting Co., Ltd.","controller_id":"M09376","controller_name":"Larry  Isemoto","district":"M3","office":"San Juan PR Field Office","employees":0,"latitude":19.673056,"longitude":-156.013333},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":116},"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":"5100309","name":"Crusher G"},"operator":{"type":"operator","id":"L12199","name":"Isemoto Contracting Co., Ltd."},"controller":{"type":"controller","id":"M09376","name":"Larry  Isemoto"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09376","name":"Larry  Isemoto et al"},"object":{"type":"mine","id":"5100309","name":"Crusher G"},"validFrom":"1991-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5100309|M09376|1991-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12199","name":"Isemoto Contracting Co., Ltd."},"object":{"type":"mine","id":"5100309","name":"Crusher G"},"validFrom":"2012-07-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5100309|L12199|2012-07-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09376","name":"Larry  Isemoto et al"},"object":{"type":"operator","id":"L12199","name":"Isemoto Contracting Co., Ltd."},"validFrom":"2012-07-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"5100309","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5100309|L12199|2012-07-06|M09376|1991-07-01|146247"}}],"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":"2025-12-16","lastDate":"2025-12-16","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":1,"firstDate":"2015-01-22","lastDate":"2015-01-22","metrics":{"ss":0,"delinquent":1,"recentRows":0,"paidPenalty":100,"proposedPenalty":100,"currentAssessment":100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2196365","VIOLATION_NO":"8870209","ISSUE_DT":"01/22/2015","CFR_STANDARD_CD":"56.14107(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":"2015-01-22"}]},{"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":"2012-07-06","lastDate":"2012-07-06","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":13,"firstDate":"2013-04-18","lastDate":"2025-12-11","metrics":{"inspectors":13,"recentRows":6,"onSiteHours":12.25,"inspectionHours":60.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"6024","EVENT_NO":"F034228","INSPECTION_BEGIN_DT":"12/11/2025","INSPECTION_END_DT":"12/18/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"26","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2025-12-11"},{"SOURCE_ROW_NUMBER":"741497","EVENT_NO":"F01D300","INSPECTION_BEGIN_DT":"04/24/2025","INSPECTION_END_DT":"04/24/2025","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.75","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2025-04-24"},{"SOURCE_ROW_NUMBER":"1082065","EVENT_NO":"6876916","INSPECTION_BEGIN_DT":"04/29/2024","INSPECTION_END_DT":"04/29/2024","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2024-04-29"},{"SOURCE_ROW_NUMBER":"705963","EVENT_NO":"6876286","INSPECTION_BEGIN_DT":"05/25/2023","INSPECTION_END_DT":"05/25/2023","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2023-05-25"},{"SOURCE_ROW_NUMBER":"708749","EVENT_NO":"6876023","INSPECTION_BEGIN_DT":"07/14/2022","INSPECTION_END_DT":"07/14/2022","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".5","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2022-07-14"},{"SOURCE_ROW_NUMBER":"712394","EVENT_NO":"1146721","INSPECTION_BEGIN_DT":"03/23/2021","INSPECTION_END_DT":"03/23/2021","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2021-03-23"},{"SOURCE_ROW_NUMBER":"140302","EVENT_NO":"1124606","INSPECTION_BEGIN_DT":"12/04/2019","INSPECTION_END_DT":"12/04/2019","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2019-12-04"},{"SOURCE_ROW_NUMBER":"701613","EVENT_NO":"1153153","INSPECTION_BEGIN_DT":"02/05/2019","INSPECTION_END_DT":"02/05/2019","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2019-02-05"},{"SOURCE_ROW_NUMBER":"479527","EVENT_NO":"6727874","INSPECTION_BEGIN_DT":"05/31/2018","INSPECTION_END_DT":"05/31/2018","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2018-05-31"},{"SOURCE_ROW_NUMBER":"888556","EVENT_NO":"6725032","INSPECTION_BEGIN_DT":"08/17/2016","INSPECTION_END_DT":"08/17/2016","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.25","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2016-08-17"},{"SOURCE_ROW_NUMBER":"29015","EVENT_NO":"6595997","INSPECTION_BEGIN_DT":"01/22/2015","INSPECTION_END_DT":"01/22/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"1.75","sourceDate":"2015-01-22"},{"SOURCE_ROW_NUMBER":"720701","EVENT_NO":"6594536","INSPECTION_BEGIN_DT":"04/07/2014","INSPECTION_END_DT":"04/07/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.75","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2014-04-07"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":88,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2024-Q3":{"hours":0,"employees":0,"production":0},"2024-Q2":{"hours":32,"employees":2,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":113,"employees":2,"production":0},"2023-Q3":{"hours":86,"employees":2,"production":0},"2023-Q2":{"hours":24,"employees":2,"production":0},"2023-Q1":{"hours":0,"employees":0,"production":0},"2022-Q4":{"hours":97,"employees":2,"production":0},"2022-Q3":{"hours":84,"employees":2,"production":0},"2022-Q2":{"hours":0,"employees":0,"production":0},"2022-Q1":{"hours":18,"employees":2,"production":0},"2021-Q4":{"hours":48,"employees":2,"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":10,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2013":{"hours":844,"employees":1,"production":0},"2014":{"hours":439,"employees":1,"production":0},"2015":{"hours":477,"employees":1,"production":0},"2016":{"hours":262,"employees":1,"production":0},"2018":{"hours":68,"employees":1,"production":0},"2019":{"hours":80,"employees":2,"production":0},"2021":{"hours":48,"employees":2,"production":0},"2022":{"hours":199,"employees":2,"production":0},"2023":{"hours":223,"employees":2,"production":0},"2024":{"hours":32,"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":1,"firstDate":"2015-01-22","lastDate":"2015-01-22","metrics":{"ss":0,"amountDue":100,"contested":0,"amountPaid":100,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3092649","VIOLATION_NO":"8870209","VIOLATION_ISSUE_DT":"01/22/2015","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/23/2015","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2015-01-22"}]}],"safety":{"href":"/api/v1/mines/5100309/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/5100309/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":"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"5100309","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}