{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"5001823","name":"Portable Plant #3","status":"Intermittent","status_date":"2023-06-02","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"AK","county":"Anchorage","nearest_town":"Portage","operator_id":"L00039","operator_name":"Granite Construction Company","controller_id":"M00079","controller_name":"Granite Construction Inc","district":"M7","office":"Anchorage AK Field Office","employees":7,"latitude":61.1175,"longitude":-149.871667},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":113},"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":"5001823","name":"Portable Plant #3"},"operator":{"type":"operator","id":"L00039","name":"Granite Construction Company"},"controller":{"type":"controller","id":"M00079","name":"Granite Construction Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00079","name":"Granite Construction Inc"},"object":{"type":"mine","id":"5001823","name":"Portable Plant #3"},"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":"5001823|M00079|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01171","name":"Donald M  March et al"},"object":{"type":"mine","id":"5001823","name":"Portable Plant #3"},"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":"5001823|M01171|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01325","name":"Wilder Construction Company"},"object":{"type":"mine","id":"5001823","name":"Portable Plant #3"},"validFrom":"2005-06-01","validTo":"2018-09-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001823|L01325|2005-06-01|2018-09-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01171","name":"Donald M  March et al"},"object":{"type":"operator","id":"L01325","name":"Wilder Construction Company"},"validFrom":"2005-06-01","validTo":"2018-09-12","current":false,"derived":true,"evidenceMineId":"5001823","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001823|L01325|2005-06-01|M01171|1950-01-01|117208"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00039","name":"Granite Construction Company"},"object":{"type":"mine","id":"5001823","name":"Portable Plant #3"},"validFrom":"2018-09-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001823|L00039|2018-09-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00079","name":"Granite Construction Inc"},"object":{"type":"operator","id":"L00039","name":"Granite Construction Company"},"validFrom":"2018-09-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"5001823","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001823|L00039|2018-09-13|M00079|1950-01-01|103693"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":3,"firstDate":"2005-07-23","lastDate":"2026-06-03","metrics":{"daysLost":12,"injuries":3,"fatalities":0,"recentRows":1,"restrictedDays":6,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"189134","DOCUMENT_NO":"220261660021","ACCIDENT_DT":"06/03/2026","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was attempting to remove a rock stuck between two grizzly bars and pinched their left middle finger between the rock and the grizzly bar, causing a fracture to the tip of the middle finger.","sourceDate":"2026-06-03"},{"SOURCE_ROW_NUMBER":"4347","DOCUMENT_NO":"220052310011","ACCIDENT_DT":"08/08/2005","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"OTHER","ACCIDENT_TYPE":"Unclassified, insufficient data","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"12","NARRATIVE":"Employee was not lifting anything heavy and he felt a little sore in the pelvic area. He did not report anything and supervisor hear by word of mouth. His next shift that he worked he was told to go to the doctor two days after that it was found out that he had a hernia and needed surgery. The employee told supervisor he did not know what caused it and if it was even work related.","sourceDate":"2005-08-08"},{"SOURCE_ROW_NUMBER":"107225","DOCUMENT_NO":"220052160015","ACCIDENT_DT":"07/23/2005","DEGREE_INJURY":"PERM TOT OR PERM PRTL DISABLTY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Welder (shop)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Monday morning (7/25/05) Employee was dispatched to another site and showed up complaing that he must have got a hernia on saturday at work. He went to the doctor and the doctor confirmed he did have a hernia and needed surgery. On saturday employee asked for help from laborer in lifting some but not all items. Did not complain that day of any pain.","sourceDate":"2005-07-23"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2023-06-02","lastDate":"2023-06-02","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":3,"firstDate":"2019-06-28","lastDate":"2019-06-28","metrics":{"ss":0,"delinquent":3,"recentRows":0,"paidPenalty":363,"proposedPenalty":363,"currentAssessment":363},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"615394","VIOLATION_NO":"9435294","ISSUE_DT":"06/28/2019","CFR_STANDARD_CD":"56.11003","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-06-28"},{"SOURCE_ROW_NUMBER":"615393","VIOLATION_NO":"9435293","ISSUE_DT":"06/28/2019","CFR_STANDARD_CD":"56.11003","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-06-28"},{"SOURCE_ROW_NUMBER":"615392","VIOLATION_NO":"9435292","ISSUE_DT":"06/28/2019","CFR_STANDARD_CD":"56.20003(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-06-28"}]},{"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":"2005-06-01","lastDate":"2018-09-13","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":8,"firstDate":"2008-08-19","lastDate":"2026-05-27","metrics":{"inspectors":8,"recentRows":5,"onSiteHours":22,"inspectionHours":64.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"981087","EVENT_NO":"F0399D1","INSPECTION_BEGIN_DT":"05/27/2026","INSPECTION_END_DT":"05/27/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2026-05-27"},{"SOURCE_ROW_NUMBER":"226142","EVENT_NO":"F01A057","INSPECTION_BEGIN_DT":"06/26/2025","INSPECTION_END_DT":"06/26/2025","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2025-06-26"},{"SOURCE_ROW_NUMBER":"1142303","EVENT_NO":"6321297","INSPECTION_BEGIN_DT":"07/16/2024","INSPECTION_END_DT":"07/17/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2024-07-16"},{"SOURCE_ROW_NUMBER":"844306","EVENT_NO":"7027308","INSPECTION_BEGIN_DT":"08/23/2023","INSPECTION_END_DT":"08/23/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2023-08-23"},{"SOURCE_ROW_NUMBER":"42917","EVENT_NO":"1146852","INSPECTION_BEGIN_DT":"08/14/2021","INSPECTION_END_DT":"08/15/2021","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2021-08-14"},{"SOURCE_ROW_NUMBER":"398691","EVENT_NO":"1153964","INSPECTION_BEGIN_DT":"06/13/2020","INSPECTION_END_DT":"06/13/2020","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2020-06-13"},{"SOURCE_ROW_NUMBER":"119269","EVENT_NO":"1146293","INSPECTION_BEGIN_DT":"06/28/2019","INSPECTION_END_DT":"06/28/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2019-06-28"},{"SOURCE_ROW_NUMBER":"89061","EVENT_NO":"1146030","INSPECTION_BEGIN_DT":"08/19/2008","INSPECTION_END_DT":"08/19/2008","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2008-08-19"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":77,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":5232,"employees":9,"production":0},"2026-Q1":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":386,"employees":5,"production":0},"2025-Q3":{"hours":3878,"employees":8,"production":0},"2025-Q2":{"hours":1024,"employees":3,"production":0},"2025-Q1":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":27,"employees":2,"production":0},"2024-Q3":{"hours":9821,"employees":10,"production":0},"2024-Q2":{"hours":3291,"employees":9,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":1830,"employees":5,"production":0},"2023-Q3":{"hours":793,"employees":4,"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":15,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2005":{"hours":17798,"employees":15,"production":0},"2018":{"hours":3133,"employees":6,"production":0},"2019":{"hours":17217,"employees":8,"production":0},"2020":{"hours":570,"employees":6,"production":0},"2023":{"hours":4515,"employees":4,"production":0},"2024":{"hours":13139,"employees":8,"production":0},"2025":{"hours":5288,"employees":6,"production":0},"2026":{"hours":5232,"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":3,"firstDate":"2019-06-28","lastDate":"2019-06-28","metrics":{"ss":0,"amountDue":363,"contested":0,"amountPaid":363,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":363},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3086072","VIOLATION_NO":"9435294","VIOLATION_ISSUE_DT":"06/28/2019","SIG_SUB":"N","PART_SECTION":"56.11003","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/28/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-06-28"},{"SOURCE_ROW_NUMBER":"3086071","VIOLATION_NO":"9435293","VIOLATION_ISSUE_DT":"06/28/2019","SIG_SUB":"N","PART_SECTION":"56.11003","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/28/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-06-28"},{"SOURCE_ROW_NUMBER":"3086070","VIOLATION_NO":"9435292","VIOLATION_ISSUE_DT":"06/28/2019","SIG_SUB":"N","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/28/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-06-28"}]}],"safety":{"href":"/api/v1/mines/5001823/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/5001823/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 ladders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003","part":"56","subchapter":"K","subpart":"J","id":"56.11003","citation":"30 CFR 56.11003","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":"Housekeeping.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003","part":"56","subchapter":"K","subpart":"S","id":"56.20003","citation":"30 CFR 56.20003","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":"5001823","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}