{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1001838","name":"Portable","status":"Abandoned","status_date":"2023-10-20","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Stone NEC","state":"ID","county":"Idaho","nearest_town":"Kamiah","operator_id":"L17670","operator_name":"Leroy Howell","controller_id":"M13480","controller_name":"Leroy  Howell","district":"M7","office":"Boise ID Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":41},"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":"1001838","name":"Portable"},"operator":{"type":"operator","id":"L17670","name":"Leroy Howell"},"controller":{"type":"controller","id":"M13480","name":"Leroy  Howell"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L40093","name":"Welch'S Rock"},"object":{"type":"mine","id":"1001838","name":"Portable"},"validFrom":"1988-09-01","validTo":"1998-04-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001838|L40093|1988-09-01|1998-04-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M40093","name":"Abie O  Welch"},"object":{"type":"mine","id":"1001838","name":"Portable"},"validFrom":"1988-09-01","validTo":"1998-04-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001838|M40093|1988-09-01|1998-04-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M40093","name":"Abie O  Welch"},"object":{"type":"operator","id":"L40093","name":"Welch'S Rock"},"validFrom":"1988-09-01","validTo":"1998-04-07","current":false,"derived":true,"evidenceMineId":"1001838","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001838|L40093|1988-09-01|M40093|1988-09-01|169729"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15819","name":"Wmc Rock"},"object":{"type":"mine","id":"1001838","name":"Portable"},"validFrom":"1998-04-08","validTo":"2000-05-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001838|L15819|1998-04-08|2000-05-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12058","name":"Warren E  Meisner"},"object":{"type":"mine","id":"1001838","name":"Portable"},"validFrom":"1998-04-08","validTo":"2000-05-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001838|M12058|1998-04-08|2000-05-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12058","name":"Warren E  Meisner"},"object":{"type":"operator","id":"L15819","name":"Wmc Rock"},"validFrom":"1998-04-08","validTo":"2000-05-16","current":false,"derived":true,"evidenceMineId":"1001838","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001838|L15819|1998-04-08|M12058|1998-04-08|153035"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17670","name":"Leroy Howell"},"object":{"type":"mine","id":"1001838","name":"Portable"},"validFrom":"2000-05-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001838|L17670|2000-05-17|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13480","name":"Leroy  Howell"},"object":{"type":"mine","id":"1001838","name":"Portable"},"validFrom":"2000-05-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001838|M13480|2000-05-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13480","name":"Leroy  Howell"},"object":{"type":"operator","id":"L17670","name":"Leroy Howell"},"validFrom":"2000-05-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"1001838","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001838|L17670|2000-05-17|M13480|2000-05-17|156332"}}],"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":"2023-10-20","lastDate":"2023-10-20","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":"2001-09-13","lastDate":"2001-09-13","metrics":{"ss":0,"delinquent":1,"recentRows":0,"paidPenalty":55,"proposedPenalty":55,"currentAssessment":55},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"58850","VIOLATION_NO":"7993127","ISSUE_DT":"09/13/2001","CFR_STANDARD_CD":"46.3(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":"2001-09-13"}]},{"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":"1988-09-01","lastDate":"2000-05-17","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":5,"firstDate":"2000-05-17","lastDate":"2022-08-17","metrics":{"inspectors":5,"recentRows":2,"onSiteHours":25,"inspectionHours":77,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"297475","EVENT_NO":"6877140","INSPECTION_BEGIN_DT":"08/17/2022","INSPECTION_END_DT":"08/17/2022","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2022-08-17"},{"SOURCE_ROW_NUMBER":"615269","EVENT_NO":"6830363","INSPECTION_BEGIN_DT":"04/20/2021","INSPECTION_END_DT":"04/20/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.75","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2021-04-20"},{"SOURCE_ROW_NUMBER":"33097","EVENT_NO":"6829573","INSPECTION_BEGIN_DT":"10/15/2019","INSPECTION_END_DT":"10/22/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"37.25","SUM_TOTAL_ON_SITE_HOURS":"8.75","sourceDate":"2019-10-15"},{"SOURCE_ROW_NUMBER":"982522","EVENT_NO":"0691005","INSPECTION_BEGIN_DT":"09/12/2001","INSPECTION_END_DT":"09/13/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2001-09-12"},{"SOURCE_ROW_NUMBER":"563531","EVENT_NO":"0701254","INSPECTION_BEGIN_DT":"05/17/2000","INSPECTION_END_DT":"05/17/2000","ACTIVITY_CODE":"37","ACTIVITY":"MISCELLANEOUS INSPECTION/INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2000-05-17"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":23,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2021-Q1":{"hours":970,"employees":2,"production":0},"2020-Q4":{"hours":1225,"employees":3,"production":0},"2020-Q3":{"hours":1728,"employees":3,"production":0},"2020-Q2":{"hours":1045,"employees":3,"production":0},"2020-Q1":{"hours":400,"employees":3,"production":0},"2019-Q4":{"hours":885,"employees":3,"production":0},"2019-Q3":{"hours":320,"employees":4,"production":0},"2002-Q3":{"hours":0,"employees":0,"production":0},"2002-Q2":{"hours":0,"employees":0,"production":0},"2002-Q1":{"hours":0,"employees":0,"production":0},"2001-Q4":{"hours":0,"employees":0,"production":0},"2001-Q3":{"hours":0,"employees":0,"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":{"2019":{"hours":1205,"employees":4,"production":0},"2020":{"hours":4398,"employees":3,"production":0},"2021":{"hours":970,"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-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":3,"firstDate":"2019-10-22","lastDate":"2019-10-22","metrics":{"recentRows":0,"actionTaken":3,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"233519","EVENT_NO":"6829573","SAMPLE_NO":"000000201906017800","SAMPLE_DATE":"10/22/2019","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2019-10-22"},{"SOURCE_ROW_NUMBER":"233518","EVENT_NO":"6829573","SAMPLE_NO":"000000201906017700","SAMPLE_DATE":"10/22/2019","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Backhoe Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2019-10-22"},{"SOURCE_ROW_NUMBER":"233517","EVENT_NO":"6829573","SAMPLE_NO":"000000201906017600","SAMPLE_DATE":"10/22/2019","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2019-10-22"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":1,"firstDate":"2001-09-13","lastDate":"2001-09-13","metrics":{"ss":0,"amountDue":55,"contested":0,"amountPaid":55,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":55},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"435350","VIOLATION_NO":"7993127","VIOLATION_ISSUE_DT":"09/13/2001","SIG_SUB":"N","PART_SECTION":"46.3(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/13/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-09-13"}]}],"safety":{"href":"/api/v1/mines/1001838/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1001838/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":"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1001838","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}