{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2602879","name":"Powerscreen 1300 Max PID13MXTCOMC55064","status":"Active","status_date":"2023-04-16","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"CA","county":"Plumas","nearest_town":"Beckwourth","operator_id":"0050173","operator_name":"Joy Engineering","controller_id":"0040602","controller_name":"Rick  Joy","district":"M7","office":"Vacaville CA Field Office","employees":5,"latitude":35.278056,"longitude":-119.871667},"coverage":{"contributingSources":7,"registeredSources":20,"sourceRows":60},"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":"2602879","name":"Powerscreen 1300 Max PID13MXTCOMC55064"},"operator":{"type":"operator","id":"0050173","name":"Joy Engineering"},"controller":{"type":"controller","id":"0040602","name":"Rick  Joy"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0040602","name":"Rick  Joy"},"object":{"type":"mine","id":"2602879","name":"Powerscreen 1300 Max PID13MXTCOMC55064"},"validFrom":"2001-10-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602879|0040602|2001-10-26|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050173","name":"Joy Engineering"},"object":{"type":"mine","id":"2602879","name":"Powerscreen 1300 Max PID13MXTCOMC55064"},"validFrom":"2022-01-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602879|0050173|2022-01-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0040602","name":"Rick  Joy"},"object":{"type":"operator","id":"0050173","name":"Joy Engineering"},"validFrom":"2022-01-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"2602879","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602879|0050173|2022-01-26|0040602|2001-10-26|309"}}],"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":"2023-04-16","lastDate":"2023-04-16","metrics":{},"periods":{},"recentRecords":[]},{"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":"2022-01-26","lastDate":"2022-01-26","metrics":{"recentRows":1,"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":9,"firstDate":"2022-08-15","lastDate":"2026-07-08","metrics":{"inspectors":9,"recentRows":9,"onSiteHours":20.5,"inspectionHours":82.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"956163","EVENT_NO":"F027CAB","INSPECTION_BEGIN_DT":"07/08/2026","INSPECTION_END_DT":"07/09/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"21.25","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2026-07-08"},{"SOURCE_ROW_NUMBER":"817124","EVENT_NO":"F027C91","INSPECTION_BEGIN_DT":"01/27/2026","INSPECTION_END_DT":"01/28/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20.5","SUM_TOTAL_ON_SITE_HOURS":"8.5","sourceDate":"2026-01-27"},{"SOURCE_ROW_NUMBER":"963468","EVENT_NO":"F027882","INSPECTION_BEGIN_DT":"07/18/2025","INSPECTION_END_DT":"07/21/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.75","SUM_TOTAL_ON_SITE_HOURS":"3.25","sourceDate":"2025-07-18"},{"SOURCE_ROW_NUMBER":"158264","EVENT_NO":"6963974","INSPECTION_BEGIN_DT":"02/11/2025","INSPECTION_END_DT":"02/12/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.5","SUM_TOTAL_ON_SITE_HOURS":"1.25","sourceDate":"2025-02-11"},{"SOURCE_ROW_NUMBER":"1095762","EVENT_NO":"F00E59D","INSPECTION_BEGIN_DT":"08/06/2024","INSPECTION_END_DT":"08/06/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2024-08-06"},{"SOURCE_ROW_NUMBER":"870867","EVENT_NO":"6963396","INSPECTION_BEGIN_DT":"01/16/2024","INSPECTION_END_DT":"01/18/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2024-01-16"},{"SOURCE_ROW_NUMBER":"832155","EVENT_NO":"6920185","INSPECTION_BEGIN_DT":"06/01/2023","INSPECTION_END_DT":"06/01/2023","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":"2023-06-01"},{"SOURCE_ROW_NUMBER":"516672","EVENT_NO":"6874475","INSPECTION_BEGIN_DT":"04/18/2023","INSPECTION_END_DT":"04/18/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2023-04-18"},{"SOURCE_ROW_NUMBER":"847265","EVENT_NO":"6917387","INSPECTION_BEGIN_DT":"08/15/2022","INSPECTION_END_DT":"08/16/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2022-08-15"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":36,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":864,"employees":4,"production":0},"2026-Q1":{"hours":1681,"employees":4,"production":0},"2025-Q4":{"hours":3065,"employees":5,"production":0},"2025-Q3":{"hours":1056,"employees":5,"production":0},"2025-Q2":{"hours":1161,"employees":2,"production":0},"2025-Q1":{"hours":99,"employees":2,"production":0},"2024-Q4":{"hours":647,"employees":5,"production":0},"2024-Q3":{"hours":1160,"employees":2,"production":0},"2024-Q2":{"hours":1305,"employees":2,"production":0},"2024-Q1":{"hours":362,"employees":4,"production":0},"2023-Q4":{"hours":2825,"employees":6,"production":0},"2023-Q3":{"hours":3254,"employees":5,"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":{"2022":{"hours":9664,"employees":5,"production":0},"2023":{"hours":8427,"employees":5,"production":0},"2024":{"hours":3474,"employees":4,"production":0},"2025":{"hours":5381,"employees":4,"production":0},"2026":{"hours":2545,"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-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":2,"firstDate":"2026-01-28","lastDate":"2026-01-28","metrics":{"recentRows":2,"actionTaken":2,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"302486","EVENT_NO":"F027C91","SAMPLE_NO":"000000202600284600","SAMPLE_DATE":"01/28/2026","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.14","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2026-01-28"},{"SOURCE_ROW_NUMBER":"301499","EVENT_NO":"F027C91","SAMPLE_NO":"000000202600284400","SAMPLE_DATE":"01/28/2026","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":"2026-01-28"}]}],"safety":{"href":"/api/v1/mines/2602879/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2602879/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":[],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2602879","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}