{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4105507","name":"McCamey #1896","status":"Abandoned","status_date":"2024-07-18","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"TX","county":"Upton","nearest_town":"Rankin","operator_id":"0186653","operator_name":"Arcosa Aggregates Texas, LLC","controller_id":"0144281","controller_name":"Arcosa, Inc","district":"M5","office":"Carlsbad NM Field Office","employees":0,"latitude":31.120833,"longitude":-102.273611},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":44},"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":"4105507","name":"McCamey #1896"},"operator":{"type":"operator","id":"0186653","name":"Arcosa Aggregates Texas, LLC"},"controller":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"object":{"type":"mine","id":"4105507","name":"McCamey #1896"},"validFrom":"2018-12-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105507|0144281|2018-12-06|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0160833","name":"ACG Materials"},"object":{"type":"mine","id":"4105507","name":"McCamey #1896"},"validFrom":"2020-06-01","validTo":"2022-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105507|0160833|2020-06-01|2022-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"object":{"type":"operator","id":"0160833","name":"ACG Materials"},"validFrom":"2020-06-01","validTo":"2022-12-31","current":false,"derived":true,"evidenceMineId":"4105507","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105507|0160833|2020-06-01|0144281|2018-12-06|29309"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0186653","name":"Arcosa Aggregates Texas, LLC"},"object":{"type":"mine","id":"4105507","name":"McCamey #1896"},"validFrom":"2023-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105507|0186653|2023-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"object":{"type":"mine","id":"4105507","name":"McCamey #1896"},"validFrom":"2023-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105507|0144281|2023-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0144281","name":"Arcosa, Inc"},"object":{"type":"operator","id":"0186653","name":"Arcosa Aggregates Texas, LLC"},"validFrom":"2023-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4105507","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105507|0186653|2023-01-01|0144281|2023-01-01|29402"}}],"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":"2024-07-18","lastDate":"2024-07-18","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":"2020-06-01","lastDate":"2023-01-01","metrics":{"recentRows":1,"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":4,"firstDate":"2021-03-10","lastDate":"2024-07-17","metrics":{"inspectors":4,"recentRows":4,"onSiteHours":2.5,"inspectionHours":19.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"535643","EVENT_NO":"6938154","INSPECTION_BEGIN_DT":"07/17/2024","INSPECTION_END_DT":"07/19/2024","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2024-07-17"},{"SOURCE_ROW_NUMBER":"809021","EVENT_NO":"7045386","INSPECTION_BEGIN_DT":"09/16/2023","INSPECTION_END_DT":"09/16/2023","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2023-09-16"},{"SOURCE_ROW_NUMBER":"413028","EVENT_NO":"6931469","INSPECTION_BEGIN_DT":"09/01/2022","INSPECTION_END_DT":"09/01/2022","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2022-09-01"},{"SOURCE_ROW_NUMBER":"1099649","EVENT_NO":"6885372","INSPECTION_BEGIN_DT":"03/10/2021","INSPECTION_END_DT":"03/10/2021","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2021-03-10"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":33,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2024-Q3":{"hours":0,"employees":0,"production":0},"2024-Q2":{"hours":0,"employees":0,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":0,"employees":0,"production":0},"2023-Q3":{"hours":0,"employees":0,"production":0},"2023-Q2":{"hours":0,"employees":0,"production":0},"2023-Q1":{"hours":0,"employees":0,"production":0},"2022-Q4":{"hours":0,"employees":0,"production":0},"2022-Q3":{"hours":11,"employees":1,"production":0},"2022-Q2":{"hours":0,"employees":0,"production":0},"2022-Q1":{"hours":128,"employees":4,"production":0},"2021-Q4":{"hours":0,"employees":0,"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":{"2020":{"hours":3570,"employees":3,"production":0},"2021":{"hours":312,"employees":3,"production":0},"2022":{"hours":139,"employees":3,"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/4105507/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4105507/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":"4105507","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}