{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0301952","name":"Green Bay Quarry","status":"Abandoned","status_date":"2010-03-30","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"AR","county":"Conway","nearest_town":"Quitman","operator_id":"0081964","operator_name":"K T Rock LLC","controller_id":"0069071","controller_name":"Keith  Waddell; Paul  Hudson","district":"M5","office":"Little Rock AR Field Office","employees":0,"latitude":35.406944,"longitude":-92.678055},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":34},"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":"0301952","name":"Green Bay Quarry"},"operator":{"type":"operator","id":"0081964","name":"K T Rock LLC"},"controller":{"type":"controller","id":"0069071","name":"Keith  Waddell; Paul  Hudson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0081964","name":"K T Rock LLC"},"object":{"type":"mine","id":"0301952","name":"Green Bay Quarry"},"validFrom":"2007-07-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0301952|0081964|2007-07-18|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0069071","name":"Paul  Hudson et al"},"object":{"type":"mine","id":"0301952","name":"Green Bay Quarry"},"validFrom":"2007-07-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0301952|0069071|2007-07-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0069071","name":"Paul  Hudson et al"},"object":{"type":"operator","id":"0081964","name":"K T Rock LLC"},"validFrom":"2007-07-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"0301952","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0301952|0081964|2007-07-18|0069071|2007-07-18|9790"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0069071","name":"Keith  Waddell et al"},"object":{"type":"operator","id":"0081964","name":"K T Rock LLC"},"validFrom":"2007-07-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"0301952","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0301952|0081964|2007-07-18|0069071|2007-07-18|9791"}}],"coverage":{"historyRecords":2,"edgeCount":4,"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":"2010-03-30","lastDate":"2010-03-30","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":"2007-07-18","lastDate":"2007-07-18","metrics":{"recentRows":0,"currentOperatorTenures":2,"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":"2007-11-19","lastDate":"2010-02-08","metrics":{"inspectors":4,"recentRows":0,"onSiteHours":15.25,"inspectionHours":21.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"362765","EVENT_NO":"1058181","INSPECTION_BEGIN_DT":"02/08/2010","INSPECTION_END_DT":"02/08/2010","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2010-02-08"},{"SOURCE_ROW_NUMBER":"301373","EVENT_NO":"1059027","INSPECTION_BEGIN_DT":"02/27/2009","INSPECTION_END_DT":"02/27/2009","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2009-02-27"},{"SOURCE_ROW_NUMBER":"702701","EVENT_NO":"1056028","INSPECTION_BEGIN_DT":"10/06/2008","INSPECTION_END_DT":"10/07/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2008-10-06"},{"SOURCE_ROW_NUMBER":"884970","EVENT_NO":"1052498","INSPECTION_BEGIN_DT":"11/19/2007","INSPECTION_END_DT":"11/19/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2007-11-19"}]},{"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":{"2009-Q4":{"hours":1,"employees":1,"production":0},"2009-Q3":{"hours":0,"employees":0,"production":0},"2009-Q2":{"hours":0,"employees":0,"production":0},"2009-Q1":{"hours":7464,"employees":19,"production":0},"2008-Q4":{"hours":4792,"employees":14,"production":0},"2008-Q3":{"hours":3839,"employees":14,"production":0},"2008-Q2":{"hours":5697,"employees":17,"production":0},"2008-Q1":{"hours":2861,"employees":11,"production":0},"2007-Q4":{"hours":2479,"employees":9,"production":0},"2007-Q3":{"hours":2029,"employees":7,"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":{"2007":{"hours":4508,"employees":9,"production":0},"2008":{"hours":17189,"employees":14,"production":0},"2009":{"hours":7465,"employees":18,"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/0301952/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0301952/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":"0301952","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}