{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4700102","name":"FREITAG QUARRY #2","status":"Abandoned","status_date":"2000-09-13","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"WI","county":"Dane","nearest_town":"","operator_id":"L09355","operator_name":"Bilsie'S Limestone & Gravel","controller_id":"M07351","controller_name":"Bilsie Albert M","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":11},"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":"4700102","name":"FREITAG QUARRY #2"},"operator":{"type":"operator","id":"L09355","name":"Bilsie'S Limestone & Gravel"},"controller":{"type":"controller","id":"M07351","name":"Bilsie Albert M"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04323","name":"Glen J Lingard"},"object":{"type":"mine","id":"4700102","name":"FREITAG QUARRY #2"},"validFrom":"1950-01-01","validTo":"1980-04-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4700102|L04323|1950-01-01|1980-04-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03482","name":"Lingard Glen J"},"object":{"type":"mine","id":"4700102","name":"FREITAG QUARRY #2"},"validFrom":"1950-01-01","validTo":"1980-04-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4700102|M03482|1950-01-01|1980-04-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03482","name":"Lingard Glen J"},"object":{"type":"operator","id":"L04323","name":"Glen J Lingard"},"validFrom":"1950-01-01","validTo":"1980-04-20","current":false,"derived":true,"evidenceMineId":"4700102","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4700102|L04323|1950-01-01|M03482|1950-01-01|129174"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04324","name":"S & H Limestone"},"object":{"type":"mine","id":"4700102","name":"FREITAG QUARRY #2"},"validFrom":"1980-04-21","validTo":"1987-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4700102|L04324|1980-04-21|1987-03-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03483","name":"Oliver O  Hanna et al"},"object":{"type":"mine","id":"4700102","name":"FREITAG QUARRY #2"},"validFrom":"1980-04-21","validTo":"1987-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4700102|M03483|1980-04-21|1987-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03483","name":"Oliver O  Hanna et al"},"object":{"type":"operator","id":"L04324","name":"S & H Limestone"},"validFrom":"1980-04-21","validTo":"1987-03-31","current":false,"derived":true,"evidenceMineId":"4700102","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4700102|L04324|1980-04-21|M03483|1980-04-21|129175"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09355","name":"Bilsie'S Limestone & Gravel"},"object":{"type":"mine","id":"4700102","name":"FREITAG QUARRY #2"},"validFrom":"1987-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4700102|L09355|1987-04-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07351","name":"Bilsie Albert M"},"object":{"type":"mine","id":"4700102","name":"FREITAG QUARRY #2"},"validFrom":"1987-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4700102|M07351|1987-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07351","name":"Bilsie Albert M"},"object":{"type":"operator","id":"L09355","name":"Bilsie'S Limestone & Gravel"},"validFrom":"1987-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4700102","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4700102|L09355|1987-04-01|M07351|1987-04-01|141120"}}],"coverage":{"historyRecords":3,"edgeCount":9,"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":"2000-09-13","lastDate":"2000-09-13","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":"1987-04-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"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":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000-Q2":{"hours":15,"employees":2,"production":0},"2000-Q1":{"hours":20,"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":35,"employees":2,"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/4700102/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4700102/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":"4700102","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}