{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"0403906","name":"Golden Slide Mines","status":"Abandoned","status_date":"1994-08-18","mine_type":"Surface","coal_metal":"M","commodity":"Gold Ore","state":"CA","county":"Sierra","nearest_town":"","operator_id":"L12363","operator_name":"M W Ricci","controller_id":"M09491","controller_name":"Ricci M W & Elizabeth","district":"M7","office":"Vacaville CA Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":5},"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":"0403906","name":"Golden Slide Mines"},"operator":{"type":"operator","id":"L12363","name":"M W Ricci"},"controller":{"type":"controller","id":"M09491","name":"Ricci M W & Elizabeth"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09427","name":"O C Nelson"},"object":{"type":"mine","id":"0403906","name":"Golden Slide Mines"},"validFrom":"1980-02-01","validTo":"1987-01-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0403906|L09427|1980-02-01|1987-01-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07401","name":"Nelson O C Et Al"},"object":{"type":"mine","id":"0403906","name":"Golden Slide Mines"},"validFrom":"1980-02-01","validTo":"1987-01-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0403906|M07401|1980-02-01|1987-01-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07401","name":"Nelson O C Et Al"},"object":{"type":"operator","id":"L09427","name":"O C Nelson"},"validFrom":"1980-02-01","validTo":"1987-01-01","current":false,"derived":true,"evidenceMineId":"0403906","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0403906|L09427|1980-02-01|M07401|1980-02-01|141250"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06200","name":"Johnson Richard"},"object":{"type":"mine","id":"0403906","name":"Golden Slide Mines"},"validFrom":"1985-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0403906|M06200|1985-02-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07807","name":"Dreamland Mining Company"},"object":{"type":"mine","id":"0403906","name":"Golden Slide Mines"},"validFrom":"1987-01-02","validTo":"1991-03-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0403906|L07807|1987-01-02|1991-03-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06200","name":"Johnson Richard"},"object":{"type":"operator","id":"L07807","name":"Dreamland Mining Company"},"validFrom":"1987-01-02","validTo":"1991-03-29","current":false,"derived":true,"evidenceMineId":"0403906","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0403906|L07807|1987-01-02|M06200|1985-02-01|137845"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12363","name":"M W Ricci"},"object":{"type":"mine","id":"0403906","name":"Golden Slide Mines"},"validFrom":"1991-03-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0403906|L12363|1991-03-30|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09491","name":"Ricci M W & Elizabeth"},"object":{"type":"mine","id":"0403906","name":"Golden Slide Mines"},"validFrom":"1991-03-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0403906|M09491|1991-03-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09491","name":"Ricci M W & Elizabeth"},"object":{"type":"operator","id":"L12363","name":"M W Ricci"},"validFrom":"1991-03-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"0403906","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0403906|L12363|1991-03-30|M09491|1991-03-30|146558"}}],"coverage":{"historyRecords":3,"edgeCount":9,"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":"1994-08-18","lastDate":"1994-08-18","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":"1980-02-01","lastDate":"1991-03-30","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"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/0403906/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0403906/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":"0403906","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}