{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2104047","name":"CR1 CRUSHER","status":"Intermittent","status_date":"2026-04-20","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Dodge","nearest_town":"Fairbault","operator_id":"0194273","operator_name":"Integrity Material Sales Inc","controller_id":"0176061","controller_name":"Douglas  Ims","district":"M4","office":"Fort Dodge IA Field Office","employees":2,"latitude":44.036944,"longitude":-92.852778},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":37},"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":"2104047","name":"CR1 CRUSHER"},"operator":{"type":"operator","id":"0194273","name":"Integrity Material Sales Inc"},"controller":{"type":"controller","id":"0176061","name":"Douglas  Ims"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0188273","name":"IMS CONTRACTING"},"object":{"type":"mine","id":"2104047","name":"CR1 CRUSHER"},"validFrom":"2023-04-05","validTo":"2024-03-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104047|0188273|2023-04-05|2024-03-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0176061","name":"Douglas  Ims"},"object":{"type":"mine","id":"2104047","name":"CR1 CRUSHER"},"validFrom":"2023-04-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104047|0176061|2023-04-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0176061","name":"Douglas  Ims"},"object":{"type":"operator","id":"0188273","name":"IMS CONTRACTING"},"validFrom":"2023-04-05","validTo":"2024-03-25","current":false,"derived":true,"evidenceMineId":"2104047","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104047|0188273|2023-04-05|0176061|2023-04-05|37552"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0194273","name":"Integrity Material Sales Inc"},"object":{"type":"mine","id":"2104047","name":"CR1 CRUSHER"},"validFrom":"2024-03-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104047|0194273|2024-03-26|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0176061","name":"Douglas  Ims"},"object":{"type":"mine","id":"2104047","name":"CR1 CRUSHER"},"validFrom":"2024-03-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104047|0176061|2024-03-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0176061","name":"Douglas  Ims"},"object":{"type":"operator","id":"0194273","name":"Integrity Material Sales Inc"},"validFrom":"2024-03-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"2104047","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104047|0194273|2024-03-26|0176061|2024-03-26|37561"}}],"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":"2026-04-20","lastDate":"2026-04-20","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":"2023-04-05","lastDate":"2024-03-26","metrics":{"recentRows":2,"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":3,"firstDate":"2024-08-01","lastDate":"2026-08-25","metrics":{"inspectors":3,"recentRows":3,"onSiteHours":3,"inspectionHours":9,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"215186","EVENT_NO":"F04D3F6","INSPECTION_BEGIN_DT":"08/25/2026","INSPECTION_END_DT":"08/25/2026","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.75","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"487046","EVENT_NO":"F028A71","INSPECTION_BEGIN_DT":"07/16/2025","INSPECTION_END_DT":"07/16/2025","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.25","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2025-07-16"},{"SOURCE_ROW_NUMBER":"928571","EVENT_NO":"F00EB4C","INSPECTION_BEGIN_DT":"08/01/2024","INSPECTION_END_DT":"08/01/2024","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2024-08-01"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":24,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":413,"employees":2,"production":0},"2025-Q4":{"hours":1,"employees":1,"production":0},"2025-Q3":{"hours":1,"employees":1,"production":0},"2025-Q2":{"hours":1,"employees":1,"production":0},"2025-Q1":{"hours":1,"employees":1,"production":0},"2024-Q4":{"hours":0,"employees":0,"production":0},"2024-Q3":{"hours":1,"employees":1,"production":0},"2024-Q2":{"hours":1,"employees":1,"production":0},"2024-Q1":{"hours":1,"employees":1,"production":0},"2023-Q4":{"hours":2,"employees":2,"production":0},"2023-Q3":{"hours":1,"employees":1,"production":0},"2023-Q2":{"hours":162,"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":6,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2023":{"hours":165,"employees":2,"production":0},"2024":{"hours":3,"employees":1,"production":0},"2025":{"hours":4,"employees":1,"production":0},"2026":{"hours":413,"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/2104047/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2104047/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":"2104047","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}