{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1504262","name":"DREDGE V","status":"Abandoned","status_date":"2001-02-08","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"KY","county":"Henderson","nearest_town":"","operator_id":"L16325","operator_name":"Imi-South Llc","controller_id":"0055549","controller_name":"Earl  Brinker","district":"C10","office":"Sturgis KY Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":17},"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":"1504262","name":"DREDGE V"},"operator":{"type":"operator","id":"L16325","name":"Imi-South Llc"},"controller":{"type":"controller","id":"0055549","name":"Earl  Brinker"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06514","name":"Rogers Group Inc"},"object":{"type":"mine","id":"1504262","name":"DREDGE V"},"validFrom":"1950-01-01","validTo":"1990-06-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504262|L06514|1950-01-01|1990-06-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00452","name":"Rogers Group Inc"},"object":{"type":"mine","id":"1504262","name":"DREDGE V"},"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":"1504262|M00452|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00452","name":"Rogers Group Inc"},"object":{"type":"operator","id":"L06514","name":"Rogers Group Inc"},"validFrom":"1950-01-01","validTo":"1990-06-14","current":false,"derived":true,"evidenceMineId":"1504262","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504262|L06514|1950-01-01|M00452|1950-01-01|111105"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01560","name":"J B  Holeman  et al"},"object":{"type":"mine","id":"1504262","name":"DREDGE V"},"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":"1504262|M01560|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01736","name":"Delta Materials Inc"},"object":{"type":"mine","id":"1504262","name":"DREDGE V"},"validFrom":"1990-06-15","validTo":"1999-03-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504262|L01736|1990-06-15|1999-03-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01560","name":"J B  Holeman  et al"},"object":{"type":"operator","id":"L01736","name":"Delta Materials Inc"},"validFrom":"1990-06-15","validTo":"1999-03-11","current":false,"derived":true,"evidenceMineId":"1504262","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504262|L01736|1990-06-15|M01560|1950-01-01|119259"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16325","name":"Imi-South Llc"},"object":{"type":"mine","id":"1504262","name":"DREDGE V"},"validFrom":"1999-03-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504262|L16325|1999-03-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00157","name":"Fred (Pete)  Irving"},"object":{"type":"mine","id":"1504262","name":"DREDGE V"},"validFrom":"1999-03-12","validTo":"2005-12-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504262|M00157|1999-03-12|2005-12-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00157","name":"Fred (Pete)  Irving"},"object":{"type":"operator","id":"L16325","name":"Imi-South Llc"},"validFrom":"1999-03-12","validTo":"2005-12-04","current":false,"derived":true,"evidenceMineId":"1504262","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504262|L16325|1999-03-12|M00157|1999-03-12|105287"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0055549","name":"Earl  Brinker et al"},"object":{"type":"mine","id":"1504262","name":"DREDGE V"},"validFrom":"2005-12-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504262|0055549|2005-12-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0055549","name":"Earl  Brinker et al"},"object":{"type":"operator","id":"L16325","name":"Imi-South Llc"},"validFrom":"2005-12-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"1504262","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1504262|L16325|1999-03-12|0055549|2005-12-05|7206"}}],"coverage":{"historyRecords":4,"edgeCount":11,"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":"2001-02-08","lastDate":"2001-02-08","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":"1950-01-01","lastDate":"1999-03-12","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":2,"firstDate":"2000-05-08","lastDate":"2000-11-28","metrics":{"inspectors":2,"recentRows":0,"onSiteHours":15,"inspectionHours":22,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"169680","EVENT_NO":"0724727","INSPECTION_BEGIN_DT":"11/28/2000","INSPECTION_END_DT":"11/28/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2000-11-28"},{"SOURCE_ROW_NUMBER":"205119","EVENT_NO":"0723873","INSPECTION_BEGIN_DT":"05/08/2000","INSPECTION_END_DT":"05/11/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"13","sourceDate":"2000-05-08"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":7,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2001-Q3":{"hours":0,"employees":0,"production":0},"2001-Q2":{"hours":0,"employees":0,"production":0},"2001-Q1":{"hours":452,"employees":3,"production":0},"2000-Q4":{"hours":628,"employees":1,"production":0},"2000-Q3":{"hours":708,"employees":1,"production":0},"2000-Q2":{"hours":636,"employees":2,"production":0},"2000-Q1":{"hours":668,"employees":2,"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":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":2640,"employees":2,"production":0},"2001":{"hours":452,"employees":3,"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/1504262/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1504262/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":"1504262","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}