{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0402864","name":"E.I.G. MINE","status":"Abandoned","status_date":"2001-08-18","mine_type":"Surface","coal_metal":"M","commodity":"Pumice","state":"CA","county":"Calaveras","nearest_town":"","operator_id":"L18598","operator_name":"Hi-Tech Environmental Products Llc","controller_id":"M14314","controller_name":"Jess R  Booth; James A  Kangas","district":"M7","office":"Vacaville CA Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":9},"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":"0402864","name":"E.I.G. MINE"},"operator":{"type":"operator","id":"L18598","name":"Hi-Tech Environmental Products Llc"},"controller":{"type":"controller","id":"M14314","name":"Jess R  Booth; James A  Kangas"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L37748","name":"Rhyolite Products Corp"},"object":{"type":"mine","id":"0402864","name":"E.I.G. MINE"},"validFrom":"1950-01-01","validTo":"2001-07-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0402864|L37748|1950-01-01|2001-07-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M37748","name":"Rhyolite Products Corp"},"object":{"type":"mine","id":"0402864","name":"E.I.G. MINE"},"validFrom":"1950-01-01","validTo":"2001-07-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0402864|M37748|1950-01-01|2001-07-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M37748","name":"Rhyolite Products Corp"},"object":{"type":"operator","id":"L37748","name":"Rhyolite Products Corp"},"validFrom":"1950-01-01","validTo":"2001-07-11","current":false,"derived":true,"evidenceMineId":"0402864","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0402864|L37748|1950-01-01|M37748|1950-01-01|167030"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18598","name":"Hi-Tech Environmental Products Llc"},"object":{"type":"mine","id":"0402864","name":"E.I.G. MINE"},"validFrom":"2001-07-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0402864|L18598|2001-07-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M14314","name":"Jess R  Booth  et al"},"object":{"type":"mine","id":"0402864","name":"E.I.G. MINE"},"validFrom":"2001-07-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0402864|M14314|2001-07-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M14314","name":"Jess R  Booth  et al"},"object":{"type":"operator","id":"L18598","name":"Hi-Tech Environmental Products Llc"},"validFrom":"2001-07-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"0402864","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0402864|L18598|2001-07-12|M14314|2001-07-12|157874"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M14314","name":"James A  Kangas  et al"},"object":{"type":"operator","id":"L18598","name":"Hi-Tech Environmental Products Llc"},"validFrom":"2001-07-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"0402864","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0402864|L18598|2001-07-12|M14314|2001-07-12|157875"}}],"coverage":{"historyRecords":3,"edgeCount":7,"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":"2001-08-18","lastDate":"2001-08-18","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":3,"firstDate":"1950-01-01","lastDate":"2001-07-12","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1,"firstDate":"2001-08-30","lastDate":"2001-08-30","metrics":{"inspectors":1,"recentRows":0,"onSiteHours":2,"inspectionHours":10,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1154886","EVENT_NO":"0645324","INSPECTION_BEGIN_DT":"08/30/2001","INSPECTION_END_DT":"08/30/2001","ACTIVITY_CODE":"10","ACTIVITY":"ATTEMPTED INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2001-08-30"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2001-Q4":{"hours":0,"employees":0,"production":0},"2001-Q3":{"hours":30,"employees":2,"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":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2001":{"hours":30,"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":[]}],"safety":{"href":"/api/v1/mines/0402864/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0402864/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":"0402864","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}