{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3501566","name":"Wall Pit","status":"Abandoned","status_date":"1981-05-31","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Traprock","state":"OR","county":"Clackamas","nearest_town":"","operator_id":"L01579","operator_name":"Cody Logging & Construction Company","controller_id":"M01411","controller_name":"Cody Logging & Construction Company","district":"M7","office":"Vacaville District","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":"2026-10-13T11:19:05.459773+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":"3501566","name":"Wall Pit"},"operator":{"type":"operator","id":"L01579","name":"Cody Logging & Construction Company"},"controller":{"type":"controller","id":"M01411","name":"Cody Logging & Construction Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L03361","name":"Lloyd M Hill Inc"},"object":{"type":"mine","id":"3501566","name":"Wall Pit"},"validFrom":"1950-01-01","validTo":"1980-06-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3501566|L03361|1950-01-01|1980-06-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00556","name":"Hill Lloyd M Inc"},"object":{"type":"mine","id":"3501566","name":"Wall Pit"},"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":"3501566|M00556|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00556","name":"Hill Lloyd M Inc"},"object":{"type":"operator","id":"L03361","name":"Lloyd M Hill Inc"},"validFrom":"1950-01-01","validTo":"1980-06-10","current":false,"derived":true,"evidenceMineId":"3501566","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3501566|L03361|1950-01-01|M00556|1950-01-01|113061"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01411","name":"Cody Logging & Construction Company"},"object":{"type":"mine","id":"3501566","name":"Wall Pit"},"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":"3501566|M01411|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04368","name":"Spaur Vern"},"object":{"type":"mine","id":"3501566","name":"Wall Pit"},"validFrom":"1979-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3501566|M04368|1979-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L05406","name":"Silver Crest Excavating Company"},"object":{"type":"mine","id":"3501566","name":"Wall Pit"},"validFrom":"1980-06-11","validTo":"1981-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3501566|L05406|1980-06-11|1981-04-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04368","name":"Spaur Vern"},"object":{"type":"operator","id":"L05406","name":"Silver Crest Excavating Company"},"validFrom":"1980-06-11","validTo":"1981-04-29","current":false,"derived":true,"evidenceMineId":"3501566","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3501566|L05406|1980-06-11|M04368|1979-07-01|131834"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01579","name":"Cody Logging & Construction Company"},"object":{"type":"mine","id":"3501566","name":"Wall Pit"},"validFrom":"1981-04-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3501566|L01579|1981-04-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01411","name":"Cody Logging & Construction Company"},"object":{"type":"operator","id":"L01579","name":"Cody Logging & Construction Company"},"validFrom":"1981-04-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"3501566","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3501566|L01579|1981-04-30|M01411|1950-01-01|118402"}}],"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":"1981-05-31","lastDate":"1981-05-31","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":"1981-04-30","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/3501566/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3501566/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":"3501566","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}