{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0504803","name":"Monks pit","status":"Abandoned","status_date":"2005-07-28","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"CO","county":"Elbert","nearest_town":"Limon","operator_id":"0055678","operator_name":"Town of Limon","controller_id":"0046209","controller_name":"Town of Limon","district":"M6","office":"Denver CO Field Office","employees":0,"latitude":39.232168,"longitude":-103.794548},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":9},"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":"0504803","name":"Monks pit"},"operator":{"type":"operator","id":"0055678","name":"Town of Limon"},"controller":{"type":"controller","id":"0046209","name":"Town of Limon"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0055678","name":"Town of Limon"},"object":{"type":"mine","id":"0504803","name":"Monks pit"},"validFrom":"2004-10-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504803|0055678|2004-10-25|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0046209","name":"Town of Limon"},"object":{"type":"mine","id":"0504803","name":"Monks pit"},"validFrom":"2004-10-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504803|0046209|2004-10-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0046209","name":"Town of Limon"},"object":{"type":"operator","id":"0055678","name":"Town of Limon"},"validFrom":"2004-10-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"0504803","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504803|0055678|2004-10-25|0046209|2004-10-25|5591"}}],"coverage":{"historyRecords":1,"edgeCount":3,"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":"2005-07-28","lastDate":"2005-07-28","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":1,"firstDate":"2004-10-25","lastDate":"2004-10-25","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1,"firstDate":"2005-07-25","lastDate":"2005-07-25","metrics":{"inspectors":1,"recentRows":0,"onSiteHours":2.75,"inspectionHours":10.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"310027","EVENT_NO":"1088163","INSPECTION_BEGIN_DT":"07/25/2005","INSPECTION_END_DT":"07/27/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.25","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2005-07-25"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2005-Q2":{"hours":0,"employees":0,"production":0},"2005-Q1":{"hours":53,"employees":2,"production":0},"2004-Q4":{"hours":44,"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":{"2004":{"hours":44,"employees":2,"production":0},"2005":{"hours":53,"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/0504803/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0504803/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":"0504803","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}