{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4202596","name":"Century","status":"Abandoned","status_date":"2015-08-05","mine_type":"Surface","coal_metal":"M","commodity":"Gold Ore","state":"UT","county":"Box Elder","nearest_town":"Park Valley","operator_id":"0124732","operator_name":"Century Gold Mining & Milling Co. Inc.","controller_id":"0105937","controller_name":"Gary W  Gillespie","district":"M6","office":"Salt Lake City UT Field Office","employees":0,"latitude":41.818611,"longitude":-113.412222},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":29},"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":"4202596","name":"Century"},"operator":{"type":"operator","id":"0124732","name":"Century Gold Mining & Milling Co. Inc."},"controller":{"type":"controller","id":"0105937","name":"Gary W  Gillespie"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0124732","name":"Century Gold Mining & Milling Co. Inc."},"object":{"type":"mine","id":"4202596","name":"Century"},"validFrom":"2012-09-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202596|0124732|2012-09-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0105937","name":"Gary W  Gillespie"},"object":{"type":"mine","id":"4202596","name":"Century"},"validFrom":"2012-09-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202596|0105937|2012-09-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0105937","name":"Gary W  Gillespie"},"object":{"type":"operator","id":"0124732","name":"Century Gold Mining & Milling Co. Inc."},"validFrom":"2012-09-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"4202596","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202596|0124732|2012-09-04|0105937|2012-09-04|18656"}}],"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":"2015-08-05","lastDate":"2015-08-05","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":"2012-09-04","lastDate":"2012-09-04","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":"2013-07-24","lastDate":"2014-11-03","metrics":{"inspectors":4,"recentRows":0,"onSiteHours":13.5,"inspectionHours":38,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"110900","EVENT_NO":"6616850","INSPECTION_BEGIN_DT":"11/03/2014","INSPECTION_END_DT":"11/04/2014","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2014-11-03"},{"SOURCE_ROW_NUMBER":"580032","EVENT_NO":"6616750","INSPECTION_BEGIN_DT":"06/16/2014","INSPECTION_END_DT":"06/17/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2014-06-16"},{"SOURCE_ROW_NUMBER":"267373","EVENT_NO":"6616873","INSPECTION_BEGIN_DT":"09/04/2013","INSPECTION_END_DT":"09/04/2013","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2013-09-04"},{"SOURCE_ROW_NUMBER":"916660","EVENT_NO":"6611499","INSPECTION_BEGIN_DT":"07/24/2013","INSPECTION_END_DT":"07/29/2013","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2013-07-24"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":20,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2015-Q3":{"hours":0,"employees":0,"production":0},"2015-Q2":{"hours":0,"employees":0,"production":0},"2015-Q1":{"hours":0,"employees":0,"production":0},"2014-Q4":{"hours":0,"employees":0,"production":0},"2014-Q3":{"hours":141,"employees":2,"production":0},"2014-Q2":{"hours":166,"employees":2,"production":0},"2014-Q1":{"hours":0,"employees":0,"production":0},"2013-Q4":{"hours":175,"employees":2,"production":0},"2013-Q3":{"hours":631,"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":{"2013":{"hours":806,"employees":2,"production":0},"2014":{"hours":307,"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/4202596/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4202596/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":"4202596","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}