{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"5000430","name":"Van Horn Mine","status":"Intermittent","status_date":"2026-05-26","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"AK","county":"Fairbanks North Star","nearest_town":"Fairbanks","operator_id":"0093385","operator_name":"HC Contractors, LLC.","controller_id":"0182020","controller_name":"Ukpeagvik Inupiat Corporation; William J Hoople Trust dated 2-25-09","district":"M7","office":"Anchorage AK Field Office","employees":3,"latitude":64.81,"longitude":-147.723333},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":14},"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":"5000430","name":"Van Horn Mine"},"operator":{"type":"operator","id":"0093385","name":"HC Contractors, LLC."},"controller":{"type":"controller","id":"0182020","name":"Ukpeagvik Inupiat Corporation; William J Hoople Trust dated 2-25-09"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09826","name":"Arctic Redimix"},"object":{"type":"mine","id":"5000430","name":"Van Horn Mine"},"validFrom":"1950-01-01","validTo":"1987-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|L09826|1950-01-01|1987-08-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07707","name":"Derickson Holt"},"object":{"type":"mine","id":"5000430","name":"Van Horn Mine"},"validFrom":"1950-01-01","validTo":"1987-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|M07707|1950-01-01|1987-08-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07707","name":"Derickson Holt"},"object":{"type":"operator","id":"L09826","name":"Arctic Redimix"},"validFrom":"1950-01-01","validTo":"1987-08-31","current":false,"derived":true,"evidenceMineId":"5000430","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|L09826|1950-01-01|M07707|1950-01-01|141829"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09827","name":"Mc Peak Sand & Gravel"},"object":{"type":"mine","id":"5000430","name":"Van Horn Mine"},"validFrom":"1987-09-01","validTo":"2021-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|L09827|1987-09-01|2021-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07708","name":"Mc Peak Roger"},"object":{"type":"mine","id":"5000430","name":"Van Horn Mine"},"validFrom":"1987-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|M07708|1987-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07708","name":"Mc Peak Roger"},"object":{"type":"operator","id":"L09827","name":"Mc Peak Sand & Gravel"},"validFrom":"1987-09-01","validTo":"2021-12-31","current":false,"derived":true,"evidenceMineId":"5000430","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|L09827|1987-09-01|M07708|1987-09-01|141830"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0040850","name":"William J  Hoople"},"object":{"type":"mine","id":"5000430","name":"Van Horn Mine"},"validFrom":"2008-07-01","validTo":"2023-08-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|0040850|2008-07-01|2023-08-13"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0093385","name":"HC Contractors, LLC."},"object":{"type":"mine","id":"5000430","name":"Van Horn Mine"},"validFrom":"2022-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|0093385|2022-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0040850","name":"William J  Hoople"},"object":{"type":"operator","id":"0093385","name":"HC Contractors, LLC."},"validFrom":"2022-01-01","validTo":"2023-08-13","current":false,"derived":true,"evidenceMineId":"5000430","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|0093385|2022-01-01|0040850|2008-07-01|817"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0182020","name":"Ukpeagvik Inupiat Corporation et al"},"object":{"type":"mine","id":"5000430","name":"Van Horn Mine"},"validFrom":"2023-08-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|0182020|2023-08-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0182020","name":"Ukpeagvik Inupiat Corporation et al"},"object":{"type":"operator","id":"0093385","name":"HC Contractors, LLC."},"validFrom":"2023-08-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"5000430","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|0093385|2022-01-01|0182020|2023-08-14|38893"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0182020","name":"William J Hoople Trust dated 2-25-09 et al"},"object":{"type":"operator","id":"0093385","name":"HC Contractors, LLC."},"validFrom":"2023-08-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"5000430","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5000430|0093385|2022-01-01|0182020|2023-08-14|38894"}}],"coverage":{"historyRecords":5,"edgeCount":12,"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":"2026-05-26","lastDate":"2026-05-26","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":5,"firstDate":"1950-01-01","lastDate":"2022-01-01","metrics":{"recentRows":3,"currentOperatorTenures":3,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1,"firstDate":"2023-08-13","lastDate":"2023-08-13","metrics":{"inspectors":1,"recentRows":1,"onSiteHours":1,"inspectionHours":4,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"438062","EVENT_NO":"6876497","INSPECTION_BEGIN_DT":"08/13/2023","INSPECTION_END_DT":"08/13/2023","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2023-08-13"}]},{"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":{"2022":{"hours":396,"employees":3,"production":0},"2023":{"hours":2171,"employees":4,"production":0},"2024":{"hours":18,"employees":1,"production":0},"2026":{"hours":380,"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/5000430/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/5000430/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":"5000430","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}