{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"0505093","name":"Rental Wash Plant","status":"Abandoned","status_date":"2019-02-06","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"CO","county":"Prowers","nearest_town":"Lamar","operator_id":"0146454","operator_name":"Prowers Aggregate Operators, LLC","controller_id":"0127601","controller_name":"Prowers Holding Company, LLC","district":"M6","office":"Denver CO Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":5},"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":"2026-10-17T05:35:58.500035+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":"0505093","name":"Rental Wash Plant"},"operator":{"type":"operator","id":"0146454","name":"Prowers Aggregate Operators, LLC"},"controller":{"type":"controller","id":"0127601","name":"Prowers Holding Company, LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127601","name":"Prowers Holding Company, LLC"},"object":{"type":"mine","id":"0505093","name":"Rental Wash Plant"},"validFrom":"2016-07-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505093|0127601|2016-07-29|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0146454","name":"Prowers Aggregate Operators, LLC"},"object":{"type":"mine","id":"0505093","name":"Rental Wash Plant"},"validFrom":"2018-06-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505093|0146454|2018-06-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127601","name":"Prowers Holding Company, LLC"},"object":{"type":"operator","id":"0146454","name":"Prowers Aggregate Operators, LLC"},"validFrom":"2018-06-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"0505093","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0505093|0146454|2018-06-14|0127601|2016-07-29|25030"}}],"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":"2019-02-06","lastDate":"2019-02-06","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":"2018-06-14","lastDate":"2018-06-14","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":"2019-01-29","lastDate":"2019-01-29","metrics":{"inspectors":1,"recentRows":0,"onSiteHours":4.25,"inspectionHours":10.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1084318","EVENT_NO":"6785937","INSPECTION_BEGIN_DT":"01/29/2019","INSPECTION_END_DT":"02/01/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.75","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2019-01-29"}]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2018":{"hours":1191,"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/0505093/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0505093/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":"0505093","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}