{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0800375","name":"Ridgewood Mill","status":"Abandoned","status_date":"1993-06-18","mine_type":"Facility","coal_metal":"M","commodity":"Phosphate Rock","state":"FL","county":"Polk","nearest_town":"","operator_id":"L10674","operator_name":"Seminole Fertilizer Corp","controller_id":"M08288","controller_name":"Risinger H B","district":"M3","office":"Bartow FL 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":"2026-10-13T11:19:05.459773+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":"0800375","name":"Ridgewood Mill"},"operator":{"type":"operator","id":"L10674","name":"Seminole Fertilizer Corp"},"controller":{"type":"controller","id":"M08288","name":"Risinger H B"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01913","name":"W R Grace & Company"},"object":{"type":"mine","id":"0800375","name":"Ridgewood Mill"},"validFrom":"1950-01-01","validTo":"1988-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800375|L01913|1950-01-01|1988-10-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01722","name":"W R Grace & Company"},"object":{"type":"mine","id":"0800375","name":"Ridgewood Mill"},"validFrom":"1950-01-01","validTo":"2021-09-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800375|M01722|1950-01-01|2021-09-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01722","name":"W R Grace & Company"},"object":{"type":"operator","id":"L01913","name":"W R Grace & Company"},"validFrom":"1950-01-01","validTo":"1988-10-31","current":false,"derived":true,"evidenceMineId":"0800375","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800375|L01913|1950-01-01|M01722|1950-01-01|120575"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10674","name":"Seminole Fertilizer Corp"},"object":{"type":"mine","id":"0800375","name":"Ridgewood Mill"},"validFrom":"1988-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800375|L10674|1988-11-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08288","name":"Risinger H B"},"object":{"type":"mine","id":"0800375","name":"Ridgewood Mill"},"validFrom":"1988-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800375|M08288|1988-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08288","name":"Risinger H B"},"object":{"type":"operator","id":"L10674","name":"Seminole Fertilizer Corp"},"validFrom":"1988-11-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0800375","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800375|L10674|1988-11-01|M08288|1988-11-01|143036"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0179661","name":"Standard Industries Holdings Inc"},"object":{"type":"mine","id":"0800375","name":"Ridgewood Mill"},"validFrom":"2021-09-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800375|0179661|2021-09-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0179661","name":"Standard Industries Holdings Inc"},"object":{"type":"operator","id":"L01913","name":"W R Grace & Company"},"validFrom":"2021-09-22","validTo":"1988-10-31","current":false,"derived":true,"evidenceMineId":"0800375","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800375|L01913|1950-01-01|0179661|2021-09-22|38414"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":1,"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":"1993-06-18","lastDate":"1993-06-18","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":"1950-01-01","lastDate":"1988-11-01","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/0800375/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0800375/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":"0800375","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}