{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"0102781","name":"Alston Mine","status":"Abandoned","status_date":"1992-01-22","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"AL","county":"Tuscaloosa","nearest_town":"Peterson","operator_id":"P00674","operator_name":"Abston Construction Company Inc","controller_id":"C00552","controller_name":"Abston William A","district":"M3","office":"Birmingham AL Field Office (A)","employees":0,"latitude":33.2167,"longitude":-87.425},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":13},"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":"2026-10-17T05:35:58.500035+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":"0102781","name":"Alston Mine"},"operator":{"type":"operator","id":"P00674","name":"Abston Construction Company Inc"},"controller":{"type":"controller","id":"C00552","name":"Abston William A"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00552","name":"Abston William A"},"object":{"type":"mine","id":"0102781","name":"Alston Mine"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|C00552|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"object":{"type":"mine","id":"0102781","name":"Alston Mine"},"validFrom":"1988-12-01","validTo":"1990-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|1990-10-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13801","name":"Paulette  Trimble  et al"},"object":{"type":"mine","id":"0102781","name":"Alston Mine"},"validFrom":"1988-12-01","validTo":"2011-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|C13801|1988-12-01|2011-08-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13801","name":"Paulette  Trimble  et al"},"object":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"validFrom":"1988-12-01","validTo":"1990-10-31","current":false,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|C13801|1988-12-01|91169"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13801","name":"Blossom B  Nelson  et al"},"object":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"validFrom":"1988-12-01","validTo":"1990-10-31","current":false,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|C13801|1988-12-01|91170"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00674","name":"Abston Construction Company Inc"},"object":{"type":"mine","id":"0102781","name":"Alston Mine"},"validFrom":"1990-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P00674|1990-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00552","name":"Abston William A"},"object":{"type":"operator","id":"P00674","name":"Abston Construction Company Inc"},"validFrom":"1990-11-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P00674|1990-11-01|C00552|1950-01-01|48074"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0101359","name":"Otis R  Robison et al"},"object":{"type":"mine","id":"0102781","name":"Alston Mine"},"validFrom":"2011-09-01","validTo":"2017-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|0101359|2011-09-01|2017-08-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0101359","name":"Otis R  Robison et al"},"object":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"validFrom":"2011-09-01","validTo":"1990-10-31","current":false,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|0101359|2011-09-01|17154"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0101359","name":"Kendall  Robison et al"},"object":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"validFrom":"2011-09-01","validTo":"1990-10-31","current":false,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|0101359|2011-09-01|17155"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0136041","name":"Michael T  Costello et al"},"object":{"type":"mine","id":"0102781","name":"Alston Mine"},"validFrom":"2017-09-01","validTo":"2019-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|0136041|2017-09-01|2019-07-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0136041","name":"Michael T  Costello et al"},"object":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"validFrom":"2017-09-01","validTo":"1990-10-31","current":false,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|0136041|2017-09-01|27365"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0136041","name":"Freddy  Hunt et al"},"object":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"validFrom":"2017-09-01","validTo":"1990-10-31","current":false,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|0136041|2017-09-01|27366"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0149901","name":"Michael T  Costello"},"object":{"type":"mine","id":"0102781","name":"Alston Mine"},"validFrom":"2019-08-01","validTo":"2021-03-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|0149901|2019-08-01|2021-03-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0149901","name":"Michael T  Costello"},"object":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"validFrom":"2019-08-01","validTo":"1990-10-31","current":false,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|0149901|2019-08-01|30858"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0161281","name":"David (Michael)  Jamison et al"},"object":{"type":"mine","id":"0102781","name":"Alston Mine"},"validFrom":"2021-03-15","validTo":"2022-06-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|0161281|2021-03-15|2022-06-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0161281","name":"David (Michael)  Jamison et al"},"object":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"validFrom":"2021-03-15","validTo":"1990-10-31","current":false,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|0161281|2021-03-15|33661"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0161281","name":"John  McNab et al"},"object":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"validFrom":"2021-03-15","validTo":"1990-10-31","current":false,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|0161281|2021-03-15|33662"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0171541","name":"David (Michael)  Jamison"},"object":{"type":"mine","id":"0102781","name":"Alston Mine"},"validFrom":"2022-06-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|0171541|2022-06-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0171541","name":"David (Michael)  Jamison"},"object":{"type":"operator","id":"P20237","name":"Best Coal Inc"},"validFrom":"2022-06-17","validTo":"1990-10-31","current":false,"derived":true,"evidenceMineId":"0102781","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0102781|P20237|1988-12-01|0171541|2022-06-17|36341"}}],"coverage":{"historyRecords":11,"edgeCount":20,"intervalAnomalies":8,"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":"1992-01-22","lastDate":"1992-01-22","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":11,"firstDate":"1988-12-01","lastDate":"1990-11-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":10},"periods":{},"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/0102781/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0102781/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":"0102781","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}