{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1102406","name":"COUNTY LINE PIT","status":"Abandoned","status_date":"1997-04-29","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"IL","county":"Champaign","nearest_town":"","operator_id":"L12970","operator_name":"R & W Gravel Company Inc","controller_id":"M09922","controller_name":"Ribbe Dan","district":"M4","office":"Duluth District","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":"1102406","name":"COUNTY LINE PIT"},"operator":{"type":"operator","id":"L12970","name":"R & W Gravel Company Inc"},"controller":{"type":"controller","id":"M09922","name":"Ribbe Dan"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07998","name":"Adkins Gravel"},"object":{"type":"mine","id":"1102406","name":"COUNTY LINE PIT"},"validFrom":"1950-01-01","validTo":"1985-05-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|L07998|1950-01-01|1985-05-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06358","name":"Adkins Welby"},"object":{"type":"mine","id":"1102406","name":"COUNTY LINE PIT"},"validFrom":"1950-01-01","validTo":"1985-05-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|M06358|1950-01-01|1985-05-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06358","name":"Adkins Welby"},"object":{"type":"operator","id":"L07998","name":"Adkins Gravel"},"validFrom":"1950-01-01","validTo":"1985-05-02","current":false,"derived":true,"evidenceMineId":"1102406","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|L07998|1950-01-01|M06358|1950-01-01|138318"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07999","name":"County Line Sand & Gravel Inc"},"object":{"type":"mine","id":"1102406","name":"COUNTY LINE PIT"},"validFrom":"1985-05-03","validTo":"1989-10-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|L07999|1985-05-03|1989-10-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06359","name":"Beiser Donald G"},"object":{"type":"mine","id":"1102406","name":"COUNTY LINE PIT"},"validFrom":"1985-05-03","validTo":"1989-10-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|M06359|1985-05-03|1989-10-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06359","name":"Beiser Donald G"},"object":{"type":"operator","id":"L07999","name":"County Line Sand & Gravel Inc"},"validFrom":"1985-05-03","validTo":"1989-10-14","current":false,"derived":true,"evidenceMineId":"1102406","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|L07999|1985-05-03|M06359|1985-05-03|138319"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00366","name":"Peter E  Powell"},"object":{"type":"mine","id":"1102406","name":"COUNTY LINE PIT"},"validFrom":"1988-10-01","validTo":"1993-01-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|M00366|1988-10-01|1993-01-14"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10810","name":"Builders Sand Of Illinois Inc"},"object":{"type":"mine","id":"1102406","name":"COUNTY LINE PIT"},"validFrom":"1989-10-15","validTo":"1993-01-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|L10810|1989-10-15|1993-01-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00366","name":"Peter E  Powell"},"object":{"type":"operator","id":"L10810","name":"Builders Sand Of Illinois Inc"},"validFrom":"1989-10-15","validTo":"1993-01-03","current":false,"derived":true,"evidenceMineId":"1102406","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|L10810|1989-10-15|M00366|1988-10-01|110328"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12970","name":"R & W Gravel Company Inc"},"object":{"type":"mine","id":"1102406","name":"COUNTY LINE PIT"},"validFrom":"1993-01-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|L12970|1993-01-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09922","name":"Ribbe Dan"},"object":{"type":"mine","id":"1102406","name":"COUNTY LINE PIT"},"validFrom":"1993-01-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|M09922|1993-01-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09922","name":"Ribbe Dan"},"object":{"type":"operator","id":"L12970","name":"R & W Gravel Company Inc"},"validFrom":"1993-01-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"1102406","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1102406|L12970|1993-01-04|M09922|1993-01-04|147889"}}],"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":"1997-04-29","lastDate":"1997-04-29","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":"1993-01-04","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/1102406/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1102406/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":"1102406","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}