{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2002959","name":"Portable A A Cone","status":"Abandoned","status_date":"2007-06-28","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MI","county":"Oakland","nearest_town":"Holly","operator_id":"L01998","operator_name":"Tri-City Aggregates, Inc.","controller_id":"M01798","controller_name":"Genoak Materials Inc","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":50},"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":"2002959","name":"Portable A A Cone"},"operator":{"type":"operator","id":"L01998","name":"Tri-City Aggregates, Inc."},"controller":{"type":"controller","id":"M01798","name":"Genoak Materials Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01798","name":"Genoak Materials Inc"},"object":{"type":"mine","id":"2002959","name":"Portable A A Cone"},"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":"2002959|M01798|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01998","name":"Tri-City Aggregates, Inc."},"object":{"type":"mine","id":"2002959","name":"Portable A A Cone"},"validFrom":"1995-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002959|L01998|1995-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01798","name":"Genoak Materials Inc"},"object":{"type":"operator","id":"L01998","name":"Tri-City Aggregates, Inc."},"validFrom":"1995-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2002959","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002959|L01998|1995-10-01|M01798|1950-01-01|121209"}}],"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":"2007-06-28","lastDate":"2007-06-28","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":"2000-09-06","lastDate":"2006-08-14","metrics":{"ss":0,"delinquent":2,"recentRows":0,"paidPenalty":115,"proposedPenalty":115,"currentAssessment":115},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"358584","VIOLATION_NO":"6179821","ISSUE_DT":"08/14/2006","CFR_STANDARD_CD":"56.14101(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-08-14"},{"SOURCE_ROW_NUMBER":"86743","VIOLATION_NO":"7803980","ISSUE_DT":"09/06/2000","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":"2000-09-06"}]},{"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":"1995-10-01","lastDate":"1995-10-01","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":5,"firstDate":"2000-09-06","lastDate":"2007-06-28","metrics":{"inspectors":5,"recentRows":0,"onSiteHours":20.5,"inspectionHours":46,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"586988","EVENT_NO":"0997478","INSPECTION_BEGIN_DT":"06/28/2007","INSPECTION_END_DT":"06/28/2007","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2007-06-28"},{"SOURCE_ROW_NUMBER":"373188","EVENT_NO":"0996759","INSPECTION_BEGIN_DT":"05/09/2007","INSPECTION_END_DT":"05/09/2007","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2007-05-09"},{"SOURCE_ROW_NUMBER":"880873","EVENT_NO":"0996389","INSPECTION_BEGIN_DT":"08/14/2006","INSPECTION_END_DT":"08/14/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2006-08-14"},{"SOURCE_ROW_NUMBER":"747493","EVENT_NO":"0985884","INSPECTION_BEGIN_DT":"07/19/2005","INSPECTION_END_DT":"07/26/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"27","SUM_TOTAL_ON_SITE_HOURS":"13","sourceDate":"2005-07-19"},{"SOURCE_ROW_NUMBER":"1127600","EVENT_NO":"0719325","INSPECTION_BEGIN_DT":"09/06/2000","INSPECTION_END_DT":"09/07/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2000-09-06"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":28,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2007-Q2":{"hours":1,"employees":1,"production":0},"2007-Q1":{"hours":1,"employees":1,"production":0},"2006-Q4":{"hours":245,"employees":7,"production":0},"2006-Q3":{"hours":99,"employees":8,"production":0},"2006-Q2":{"hours":1,"employees":1,"production":0},"2006-Q1":{"hours":1,"employees":1,"production":0},"2005-Q4":{"hours":541,"employees":8,"production":0},"2005-Q3":{"hours":851,"employees":8,"production":0},"2001-Q3":{"hours":1,"employees":1,"production":0},"2001-Q2":{"hours":1,"employees":1,"production":0},"2001-Q1":{"hours":1,"employees":1,"production":0},"2000-Q4":{"hours":1552,"employees":13,"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":8,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":2674,"employees":12,"production":0},"2001":{"hours":3,"employees":1,"production":0},"2005":{"hours":1392,"employees":8,"production":0},"2006":{"hours":346,"employees":7,"production":0},"2007":{"hours":2,"employees":1,"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":2,"firstDate":"2005-07-26","lastDate":"2005-07-26","metrics":{"recentRows":0,"actionTaken":2,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"58803","EVENT_NO":"0985884","SAMPLE_NO":"000000200507054200","SAMPLE_DATE":"07/26/2005","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2005-07-26"},{"SOURCE_ROW_NUMBER":"58802","EVENT_NO":"0985884","SAMPLE_NO":"000000200507054100","SAMPLE_DATE":"07/26/2005","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":"2005-07-26"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":2,"firstDate":"2000-09-06","lastDate":"2006-08-14","metrics":{"ss":0,"amountDue":115,"contested":0,"amountPaid":115,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":115},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1315972","VIOLATION_NO":"6179821","VIOLATION_ISSUE_DT":"08/14/2006","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/14/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2006-08-14"},{"SOURCE_ROW_NUMBER":"1315973","VIOLATION_NO":"7803980","VIOLATION_ISSUE_DT":"09/06/2000","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/06/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-09-06"}]}],"safety":{"href":"/api/v1/mines/2002959/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2002959/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":"Brakes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101","part":"56","subchapter":"K","subpart":"M","id":"56.14101","citation":"30 CFR 56.14101","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":"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":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2002959","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}