{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0301922","name":"Davis Stone","status":"Abandoned","status_date":"2006-06-01","mine_type":"Surface","coal_metal":"M","commodity":"Dimension Stone NEC","state":"AR","county":"Logan","nearest_town":"Subiaco, Ar.","operator_id":"0066204","operator_name":"Davis Stone","controller_id":"0055569","controller_name":"Perry N  Davis; Bobby N  Davis","district":"M5","office":"Little Rock AR Field Office","employees":0,"latitude":35.256319,"longitude":-93.67602},"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":"0301922","name":"Davis Stone"},"operator":{"type":"operator","id":"0066204","name":"Davis Stone"},"controller":{"type":"controller","id":"0055569","name":"Perry N  Davis; Bobby N  Davis"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0066204","name":"Davis Stone"},"object":{"type":"mine","id":"0301922","name":"Davis Stone"},"validFrom":"2005-11-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0301922|0066204|2005-11-16|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0055569","name":"Bobby N  Davis et al"},"object":{"type":"mine","id":"0301922","name":"Davis Stone"},"validFrom":"2005-11-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0301922|0055569|2005-11-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0055569","name":"Bobby N  Davis et al"},"object":{"type":"operator","id":"0066204","name":"Davis Stone"},"validFrom":"2005-11-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"0301922","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0301922|0066204|2005-11-16|0055569|2005-11-16|7212"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0055569","name":"Perry N  Davis et al"},"object":{"type":"operator","id":"0066204","name":"Davis Stone"},"validFrom":"2005-11-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"0301922","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0301922|0066204|2005-11-16|0055569|2005-11-16|7213"}}],"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":"2006-06-01","lastDate":"2006-06-01","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":"2005-11-16","lastDate":"2005-11-16","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":1,"firstDate":"2006-03-06","lastDate":"2006-03-06","metrics":{"inspectors":1,"recentRows":0,"onSiteHours":3.5,"inspectionHours":8,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"271839","EVENT_NO":"1041104","INSPECTION_BEGIN_DT":"03/06/2006","INSPECTION_END_DT":"03/07/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2006-03-06"}]},{"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":{"2006-Q2":{"hours":1584,"employees":5,"production":0},"2006-Q1":{"hours":1782,"employees":5,"production":0},"2005-Q4":{"hours":1986,"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":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2005":{"hours":1986,"employees":5,"production":0},"2006":{"hours":3366,"employees":5,"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/0301922/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0301922/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":"0301922","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}