{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1102782","name":"CHANNAHON MATERIAL CO.","status":"Abandoned","status_date":"2001-09-19","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"IL","county":"Will","nearest_town":"","operator_id":"L11611","operator_name":"Channahon Material Company","controller_id":"M08970","controller_name":"Dunteman Paul","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":15},"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":"1102782","name":"CHANNAHON MATERIAL CO."},"operator":{"type":"operator","id":"L11611","name":"Channahon Material Company"},"controller":{"type":"controller","id":"M08970","name":"Dunteman Paul"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11610","name":"Channahon Material Company"},"object":{"type":"mine","id":"1102782","name":"CHANNAHON MATERIAL CO."},"validFrom":"1983-02-01","validTo":"1990-05-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102782|L11610|1983-02-01|1990-05-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08969","name":"Glenn  Carlson"},"object":{"type":"mine","id":"1102782","name":"CHANNAHON MATERIAL CO."},"validFrom":"1983-02-01","validTo":"1990-05-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102782|M08969|1983-02-01|1990-05-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08969","name":"Glenn  Carlson"},"object":{"type":"operator","id":"L11610","name":"Channahon Material Company"},"validFrom":"1983-02-01","validTo":"1990-05-14","current":false,"derived":true,"evidenceMineId":"1102782","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102782|L11610|1983-02-01|M08969|1983-02-01|144780"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11611","name":"Channahon Material Company"},"object":{"type":"mine","id":"1102782","name":"CHANNAHON MATERIAL CO."},"validFrom":"1990-05-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102782|L11611|1990-05-15|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08970","name":"Dunteman Paul"},"object":{"type":"mine","id":"1102782","name":"CHANNAHON MATERIAL CO."},"validFrom":"1990-05-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102782|M08970|1990-05-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08970","name":"Dunteman Paul"},"object":{"type":"operator","id":"L11611","name":"Channahon Material Company"},"validFrom":"1990-05-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"1102782","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102782|L11611|1990-05-15|M08970|1990-05-15|144781"}}],"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":"2001-09-19","lastDate":"2001-09-19","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":"1983-02-01","lastDate":"1990-05-15","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":2,"firstDate":"2000-11-28","lastDate":"2001-09-04","metrics":{"inspectors":3,"recentRows":0,"onSiteHours":0,"inspectionHours":7,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"33333","EVENT_NO":"0735663","INSPECTION_BEGIN_DT":"09/04/2001","INSPECTION_END_DT":"09/04/2001","ACTIVITY_CODE":"10","ACTIVITY":"ATTEMPTED INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2001-09-04"},{"SOURCE_ROW_NUMBER":"351075","EVENT_NO":"0682734","INSPECTION_BEGIN_DT":"11/28/2000","INSPECTION_END_DT":"11/28/2000","ACTIVITY_CODE":"10","ACTIVITY":"ATTEMPTED INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2000-11-28"}]},{"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":20,"employees":1,"production":0},"2001-Q2":{"hours":20,"employees":1,"production":0},"2001-Q1":{"hours":0,"employees":0,"production":0},"2000-Q4":{"hours":30,"employees":1,"production":0},"2000-Q3":{"hours":40,"employees":1,"production":0},"2000-Q2":{"hours":0,"employees":0,"production":0},"2000-Q1":{"hours":50,"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":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":120,"employees":1,"production":0},"2001":{"hours":40,"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/1102782/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1102782/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":"1102782","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}