{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1202426","name":"Smith Rd. Plant","status":"Abandoned","status_date":"2009-04-10","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"IN","county":"Allen","nearest_town":"Fort Wayne","operator_id":"0064963","operator_name":"Speedway Sand & Gravel, Inc.","controller_id":"M01806","controller_name":"The Heritage Group","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":7},"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":"1202426","name":"Smith Rd. Plant"},"operator":{"type":"operator","id":"0064963","name":"Speedway Sand & Gravel, Inc."},"controller":{"type":"controller","id":"M01806","name":"The Heritage Group"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0054409","name":"Todd  Fredrick"},"object":{"type":"mine","id":"1202426","name":"Smith Rd. Plant"},"validFrom":"2005-06-03","validTo":"2023-05-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1202426|0054409|2005-06-03|2023-05-28"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0064963","name":"Speedway Sand & Gravel, Inc."},"object":{"type":"mine","id":"1202426","name":"Smith Rd. Plant"},"validFrom":"2009-04-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1202426|0064963|2009-04-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0054409","name":"Todd  Fredrick"},"object":{"type":"operator","id":"0064963","name":"Speedway Sand & Gravel, Inc."},"validFrom":"2009-04-07","validTo":"2023-05-28","current":false,"derived":true,"evidenceMineId":"1202426","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1202426|0064963|2009-04-07|0054409|2005-06-03|6974"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01806","name":"The Heritage Group"},"object":{"type":"mine","id":"1202426","name":"Smith Rd. Plant"},"validFrom":"2023-05-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1202426|M01806|2023-05-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01806","name":"The Heritage Group"},"object":{"type":"operator","id":"0064963","name":"Speedway Sand & Gravel, Inc."},"validFrom":"2023-05-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"1202426","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1202426|0064963|2009-04-07|M01806|2023-05-29|121313"}}],"coverage":{"historyRecords":2,"edgeCount":5,"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":"2009-04-10","lastDate":"2009-04-10","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":"2009-04-07","lastDate":"2009-04-07","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"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":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2009-Q2":{"hours":368,"employees":1,"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":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2009":{"hours":368,"employees":1,"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/1202426/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1202426/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":"1202426","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}