{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"0202572","name":"UNITED METRO MATERIAL INC. PLANT","status":"Abandoned","status_date":"2001-01-19","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"AZ","county":"Coconino","nearest_town":"","operator_id":"L13554","operator_name":"United Metro Materials Inc","controller_id":"M00360","controller_name":"Peter Kiewit Sons' Inc","district":"C09","office":"Mesa South AZ Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":18},"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":"0202572","name":"UNITED METRO MATERIAL INC. PLANT"},"operator":{"type":"operator","id":"L13554","name":"United Metro Materials Inc"},"controller":{"type":"controller","id":"M00360","name":"Peter Kiewit Sons' Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00360","name":"Peter Kiewit Sons' Inc"},"object":{"type":"mine","id":"0202572","name":"UNITED METRO MATERIAL INC. PLANT"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202572|M00360|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"mine","id":"0202572","name":"UNITED METRO MATERIAL INC. PLANT"},"validFrom":"1987-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202572|M00049|1987-09-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09999","name":"Tanner Companies"},"object":{"type":"mine","id":"0202572","name":"UNITED METRO MATERIAL INC. PLANT"},"validFrom":"1992-03-01","validTo":"1994-07-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202572|L09999|1992-03-01|1994-07-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"operator","id":"L09999","name":"Tanner Companies"},"validFrom":"1992-03-01","validTo":"1994-07-12","current":false,"derived":true,"evidenceMineId":"0202572","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202572|L09999|1992-03-01|M00049|1987-09-01|102864"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13554","name":"United Metro Materials Inc"},"object":{"type":"mine","id":"0202572","name":"UNITED METRO MATERIAL INC. PLANT"},"validFrom":"1994-07-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202572|L13554|1994-07-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00360","name":"Peter Kiewit Sons' Inc"},"object":{"type":"operator","id":"L13554","name":"United Metro Materials Inc"},"validFrom":"1994-07-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"0202572","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0202572|L13554|1994-07-13|M00360|1950-01-01|110121"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":"2001-01-19","lastDate":"2001-01-19","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":2,"firstDate":"1992-03-01","lastDate":"1994-07-13","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":10,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2001-Q1":{"hours":445,"employees":2,"production":0},"2000-Q4":{"hours":9324,"employees":21,"production":0},"2000-Q3":{"hours":9735,"employees":23,"production":0},"2000-Q2":{"hours":4114,"employees":7,"production":0},"2000-Q1":{"hours":7703,"employees":16,"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":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":30876,"employees":17,"production":0},"2001":{"hours":445,"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/0202572/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0202572/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":"0202572","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}