{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"5400489","name":"Arenero La Cima","status":"Abandoned","status_date":"2014-02-12","mine_type":"Surface","coal_metal":"M","commodity":"Sand, Common","state":"PR","county":"Arecibo","nearest_town":"Arecibo","operator_id":"0122851","operator_name":"Terratek Corp.","controller_id":"0104315","controller_name":"Luis D  Rivera","district":"M3","office":"San Juan PR Field Office","employees":0,"latitude":18.285833,"longitude":-66.736667},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":15},"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":"5400489","name":"Arenero La Cima"},"operator":{"type":"operator","id":"0122851","name":"Terratek Corp."},"controller":{"type":"controller","id":"0104315","name":"Luis D  Rivera"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0122851","name":"Terratek Corp."},"object":{"type":"mine","id":"5400489","name":"Arenero La Cima"},"validFrom":"2012-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400489|0122851|2012-05-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0104315","name":"Luis D  Rivera"},"object":{"type":"mine","id":"5400489","name":"Arenero La Cima"},"validFrom":"2012-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400489|0104315|2012-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0104315","name":"Luis D  Rivera"},"object":{"type":"operator","id":"0122851","name":"Terratek Corp."},"validFrom":"2012-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"5400489","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5400489|0122851|2012-05-01|0104315|2012-05-01|18166"}}],"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":"2014-02-12","lastDate":"2014-02-12","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":"2012-05-01","lastDate":"2012-05-01","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":4,"firstDate":"2012-07-12","lastDate":"2014-02-12","metrics":{"inspectors":4,"recentRows":0,"onSiteHours":10.5,"inspectionHours":21.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"764882","EVENT_NO":"6643965","INSPECTION_BEGIN_DT":"02/12/2014","INSPECTION_END_DT":"02/12/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2014-02-12"},{"SOURCE_ROW_NUMBER":"196085","EVENT_NO":"6644076","INSPECTION_BEGIN_DT":"04/29/2013","INSPECTION_END_DT":"04/29/2013","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2013-04-29"},{"SOURCE_ROW_NUMBER":"946453","EVENT_NO":"6643989","INSPECTION_BEGIN_DT":"11/07/2012","INSPECTION_END_DT":"11/07/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2012-11-07"},{"SOURCE_ROW_NUMBER":"518886","EVENT_NO":"6642268","INSPECTION_BEGIN_DT":"07/12/2012","INSPECTION_END_DT":"07/12/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2012-07-12"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":6,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2012-Q4":{"hours":1760,"employees":4,"production":0},"2012-Q3":{"hours":2392,"employees":5,"production":0},"2012-Q2":{"hours":2000,"employees":5,"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":{"2012":{"hours":6152,"employees":4,"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/5400489/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/5400489/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":"5400489","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}