{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4200990","name":"Monte Cristo","status":"Abandoned","status_date":"1987-07-30","mine_type":"Underground","coal_metal":"M","commodity":"Uranium Ore","state":"UT","county":"San Juan","nearest_town":"","operator_id":"L08550","operator_name":"Tom Lammert Mining","controller_id":"M06783","controller_name":"Lammert Tom","district":"C09","office":"Lakewood District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":3,"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":"2026-10-13T11:19:05.459773+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":"4200990","name":"Monte Cristo"},"operator":{"type":"operator","id":"L08550","name":"Tom Lammert Mining"},"controller":{"type":"controller","id":"M06783","name":"Lammert Tom"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00717","name":"Uranium Production Company Inc"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"validFrom":"1950-01-01","validTo":"1978-05-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L00717|1950-01-01|1978-05-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00585","name":"Uranium Production Company Inc"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"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":"4200990|M00585|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00585","name":"Uranium Production Company Inc"},"object":{"type":"operator","id":"L00717","name":"Uranium Production Company Inc"},"validFrom":"1950-01-01","validTo":"1978-05-18","current":false,"derived":true,"evidenceMineId":"4200990","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L00717|1950-01-01|M00585|1950-01-01|113293"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02145","name":"Deitz Ralph K"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"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":"4200990|M02145|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02344","name":"Larry & Jody Shumway Mining"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"validFrom":"1978-05-19","validTo":"1981-08-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L02344|1978-05-19|1981-08-17"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02052","name":"Shumway Larry & Jody"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"validFrom":"1978-05-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|M02052|1978-05-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02052","name":"Shumway Larry & Jody"},"object":{"type":"operator","id":"L02344","name":"Larry & Jody Shumway Mining"},"validFrom":"1978-05-19","validTo":"1981-08-17","current":false,"derived":true,"evidenceMineId":"4200990","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L02344|1978-05-19|M02052|1978-05-19|123147"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02459","name":"C & D Exploration Inc"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"validFrom":"1981-08-18","validTo":"1983-09-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L02459|1981-08-18|1983-09-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02145","name":"Deitz Ralph K"},"object":{"type":"operator","id":"L02459","name":"C & D Exploration Inc"},"validFrom":"1981-08-18","validTo":"1983-09-25","current":false,"derived":true,"evidenceMineId":"4200990","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L02459|1981-08-18|M02145|1950-01-01|123956"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06772","name":"Shumway Mining"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"validFrom":"1983-09-26","validTo":"1986-09-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L06772|1983-09-26|1986-09-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02052","name":"Shumway Larry & Jody"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"validFrom":"1983-09-26","validTo":"1986-09-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|M02052|1983-09-26|1986-09-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02052","name":"Shumway Larry & Jody"},"object":{"type":"operator","id":"L06772","name":"Shumway Mining"},"validFrom":"1983-09-26","validTo":"1986-09-03","current":false,"derived":true,"evidenceMineId":"4200990","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L06772|1983-09-26|M02052|1983-09-26|123149"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06783","name":"Lammert Tom"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"validFrom":"1986-03-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|M06783|1986-03-04|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09181","name":"Shumway Mining"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"validFrom":"1986-09-04","validTo":"1987-01-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L09181|1986-09-04|1987-01-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08144","name":"Shumway Dick & Mike"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"validFrom":"1986-09-04","validTo":"1987-01-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|M08144|1986-09-04|1987-01-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08144","name":"Shumway Dick & Mike"},"object":{"type":"operator","id":"L09181","name":"Shumway Mining"},"validFrom":"1986-09-04","validTo":"1987-01-15","current":false,"derived":true,"evidenceMineId":"4200990","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L09181|1986-09-04|M08144|1986-09-04|142786"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08550","name":"Tom Lammert Mining"},"object":{"type":"mine","id":"4200990","name":"Monte Cristo"},"validFrom":"1987-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L08550|1987-01-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06783","name":"Lammert Tom"},"object":{"type":"operator","id":"L08550","name":"Tom Lammert Mining"},"validFrom":"1987-01-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"4200990","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4200990|L08550|1987-01-16|M06783|1986-03-04|139346"}}],"coverage":{"historyRecords":6,"edgeCount":18,"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":"1987-07-30","lastDate":"1987-07-30","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":6,"firstDate":"1950-01-01","lastDate":"1987-01-16","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":5},"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/4200990/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4200990/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":"4200990","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}