{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2901984","name":"DEXTER PIT","status":"Abandoned","status_date":"2002-08-02","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"NM","county":"Chaves","nearest_town":"Dexter","operator_id":"L10991","operator_name":"Booher Sand & Gravel","controller_id":"M08508","controller_name":"Olan  Booher","district":"M5","office":"Carlsbad NM Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":21},"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":"2901984","name":"DEXTER PIT"},"operator":{"type":"operator","id":"L10991","name":"Booher Sand & Gravel"},"controller":{"type":"controller","id":"M08508","name":"Olan  Booher"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07806","name":"Monterey Construction Company"},"object":{"type":"mine","id":"2901984","name":"DEXTER PIT"},"validFrom":"1985-03-01","validTo":"1989-05-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2901984|L07806|1985-03-01|1989-05-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06199","name":"Atkinson Guy F Company"},"object":{"type":"mine","id":"2901984","name":"DEXTER PIT"},"validFrom":"1985-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2901984|M06199|1985-03-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06199","name":"Atkinson Guy F Company"},"object":{"type":"operator","id":"L07806","name":"Monterey Construction Company"},"validFrom":"1985-03-01","validTo":"1989-05-07","current":false,"derived":true,"evidenceMineId":"2901984","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2901984|L07806|1985-03-01|M06199|1985-03-01|137807"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10991","name":"Booher Sand & Gravel"},"object":{"type":"mine","id":"2901984","name":"DEXTER PIT"},"validFrom":"1989-05-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2901984|L10991|1989-05-08|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08508","name":"Olan  Booher"},"object":{"type":"mine","id":"2901984","name":"DEXTER PIT"},"validFrom":"1989-05-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2901984|M08508|1989-05-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08508","name":"Olan  Booher"},"object":{"type":"operator","id":"L10991","name":"Booher Sand & Gravel"},"validFrom":"1989-05-08","validTo":null,"current":true,"derived":true,"evidenceMineId":"2901984","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2901984|L10991|1989-05-08|M08508|1989-05-08|143543"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":"2002-08-02","lastDate":"2002-08-02","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":"1985-03-01","lastDate":"1989-05-08","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":3,"firstDate":"2000-08-22","lastDate":"2002-07-25","metrics":{"inspectors":4,"recentRows":0,"onSiteHours":11,"inspectionHours":24,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"520918","EVENT_NO":"1015496","INSPECTION_BEGIN_DT":"07/25/2002","INSPECTION_END_DT":"07/25/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2002-07-25"},{"SOURCE_ROW_NUMBER":"233183","EVENT_NO":"0714472","INSPECTION_BEGIN_DT":"11/16/2000","INSPECTION_END_DT":"11/16/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2000-11-16"},{"SOURCE_ROW_NUMBER":"1011563","EVENT_NO":"0714508","INSPECTION_BEGIN_DT":"08/22/2000","INSPECTION_END_DT":"08/22/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2000-08-22"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":11,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q3":{"hours":50,"employees":1,"production":0},"2002-Q2":{"hours":50,"employees":1,"production":0},"2002-Q1":{"hours":50,"employees":1,"production":0},"2001-Q4":{"hours":50,"employees":1,"production":0},"2001-Q3":{"hours":50,"employees":1,"production":0},"2001-Q2":{"hours":50,"employees":1,"production":0},"2001-Q1":{"hours":50,"employees":1,"production":0},"2000-Q4":{"hours":20,"employees":1,"production":0},"2000-Q3":{"hours":50,"employees":1,"production":0},"2000-Q2":{"hours":20,"employees":1,"production":0},"2000-Q1":{"hours":50,"employees":1,"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":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":140,"employees":1,"production":0},"2001":{"hours":200,"employees":1,"production":0},"2002":{"hours":150,"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/2901984/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2901984/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":"2901984","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}