{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"4202775","name":"Portable Plant 1","status":"Intermittent","status_date":"2026-02-02","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"UT","county":"San Juan","nearest_town":"La Sal","operator_id":"0200694","operator_name":"Sonderegger Inc","controller_id":"0190362","controller_name":"E Paul  Sonderegger","district":"C09","office":"Farmington NM Field Office","employees":1,"latitude":37.292778,"longitude":-109.546111},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":8},"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":"2026-10-17T05:35:58.500035+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":"4202775","name":"Portable Plant 1"},"operator":{"type":"operator","id":"0200694","name":"Sonderegger Inc"},"controller":{"type":"controller","id":"0190362","name":"E Paul  Sonderegger"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0200694","name":"Sonderegger Inc"},"object":{"type":"mine","id":"4202775","name":"Portable Plant 1"},"validFrom":"2025-02-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4202775|0200694|2025-02-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0190362","name":"E Paul  Sonderegger"},"object":{"type":"mine","id":"4202775","name":"Portable Plant 1"},"validFrom":"2025-02-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4202775|0190362|2025-02-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0190362","name":"E Paul  Sonderegger"},"object":{"type":"operator","id":"0200694","name":"Sonderegger Inc"},"validFrom":"2025-02-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"4202775","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4202775|0200694|2025-02-04|0190362|2025-02-04|40615"}}],"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":"2026-02-02","lastDate":"2026-02-02","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":"2025-02-04","lastDate":"2025-02-04","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":1,"firstDate":"2026-06-10","lastDate":"2026-06-10","metrics":{"inspectors":1,"recentRows":1,"onSiteHours":12,"inspectionHours":20,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"394640","EVENT_NO":"F03B2F0","INSPECTION_BEGIN_DT":"06/10/2026","INSPECTION_END_DT":"06/11/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"12","sourceDate":"2026-06-10"}]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2025":{"hours":1025,"employees":2,"production":0},"2026":{"hours":1721,"employees":3,"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":"2026-06-10","lastDate":"2026-06-10","metrics":{"recentRows":2,"actionTaken":2,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"309894","EVENT_NO":"F03B2F0","SAMPLE_NO":"000000202602398700","SAMPLE_DATE":"06/10/2026","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":"2026-06-10"},{"SOURCE_ROW_NUMBER":"309893","EVENT_NO":"F03B2F0","SAMPLE_NO":"000000202602398600","SAMPLE_DATE":"06/10/2026","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":"2026-06-10"}]}],"safety":{"href":"/api/v1/mines/4202775/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4202775/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":"4202775","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}