{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3304099","name":"Hubert Heights - #432","status":"Abandoned","status_date":"1990-06-13","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"OH","county":"Montgomery","nearest_town":"","operator_id":"L11566","operator_name":"American Aggregates Corp","controller_id":"M08942","controller_name":"CSR Ltd","district":"M2","office":"Hebron OH Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":6},"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":"3304099","name":"Hubert Heights - #432"},"operator":{"type":"operator","id":"L11566","name":"American Aggregates Corp"},"controller":{"type":"controller","id":"M08942","name":"CSR Ltd"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01678","name":"Ernst Aggregates Inc"},"object":{"type":"mine","id":"3304099","name":"Hubert Heights - #432"},"validFrom":"1983-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|M01678|1983-06-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08777","name":"Ernst Aggregates Inc"},"object":{"type":"mine","id":"3304099","name":"Hubert Heights - #432"},"validFrom":"1987-04-01","validTo":"1988-08-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|L08777|1987-04-01|1988-08-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01678","name":"Ernst Aggregates Inc"},"object":{"type":"operator","id":"L08777","name":"Ernst Aggregates Inc"},"validFrom":"1987-04-01","validTo":"1988-08-19","current":false,"derived":true,"evidenceMineId":"3304099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|L08777|1987-04-01|M01678|1983-06-01|120246"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10470","name":"Ernst Aggregates"},"object":{"type":"mine","id":"3304099","name":"Hubert Heights - #432"},"validFrom":"1988-08-20","validTo":"1989-08-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|L10470|1988-08-20|1989-08-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01219","name":"Consolidated Gold Fields Limited"},"object":{"type":"mine","id":"3304099","name":"Hubert Heights - #432"},"validFrom":"1988-08-20","validTo":"1989-08-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|M01219|1988-08-20|1989-08-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01219","name":"Consolidated Gold Fields Limited"},"object":{"type":"operator","id":"L10470","name":"Ernst Aggregates"},"validFrom":"1988-08-20","validTo":"1989-08-09","current":false,"derived":true,"evidenceMineId":"3304099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|L10470|1988-08-20|M01219|1988-08-20|117551"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11561","name":"Ernst Aggregates"},"object":{"type":"mine","id":"3304099","name":"Hubert Heights - #432"},"validFrom":"1989-08-10","validTo":"1990-02-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|L11561|1989-08-10|1990-02-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"mine","id":"3304099","name":"Hubert Heights - #432"},"validFrom":"1989-08-10","validTo":"1990-02-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|M00521|1989-08-10|1990-02-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"operator","id":"L11561","name":"Ernst Aggregates"},"validFrom":"1989-08-10","validTo":"1990-02-01","current":false,"derived":true,"evidenceMineId":"3304099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|L11561|1989-08-10|M00521|1989-08-10|112552"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11566","name":"American Aggregates Corp"},"object":{"type":"mine","id":"3304099","name":"Hubert Heights - #432"},"validFrom":"1990-02-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|L11566|1990-02-02|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08942","name":"CSR Ltd"},"object":{"type":"mine","id":"3304099","name":"Hubert Heights - #432"},"validFrom":"1990-02-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|M08942|1990-02-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08942","name":"CSR Ltd"},"object":{"type":"operator","id":"L11566","name":"American Aggregates Corp"},"validFrom":"1990-02-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304099","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304099|L11566|1990-02-02|M08942|1990-02-02|144585"}}],"coverage":{"historyRecords":4,"edgeCount":12,"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":"1990-06-13","lastDate":"1990-06-13","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":4,"firstDate":"1987-04-01","lastDate":"1990-02-02","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":3},"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/3304099/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3304099/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":"3304099","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}