# Relationship history for MSHA mine 5000430

Current hierarchy: **Ukpeagvik Inupiat Corporation; William J Hoople Trust dated 2-25-09 → HC Contractors, LLC. → Van Horn Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Arctic Redimix → Van Horn Mine; 1950-01-01 to 1987-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Derickson Holt → Van Horn Mine; 1950-01-01 to 1987-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Derickson Holt → Arctic Redimix; 1950-01-01 to 1987-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Mc Peak Sand & Gravel → Van Horn Mine; 1987-09-01 to 2021-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Mc Peak Roger → Van Horn Mine; 1987-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Peak Roger → Mc Peak Sand & Gravel; 1987-09-01 to 2021-12-31; source msha-controller-operator-history
- **controller_controls_mine:** William J  Hoople → Van Horn Mine; 2008-07-01 to 2023-08-13; source msha-controller-operator-history
- **operator_operates_mine:** HC Contractors, LLC. → Van Horn Mine; 2022-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William J  Hoople → HC Contractors, LLC.; 2022-01-01 to 2023-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Ukpeagvik Inupiat Corporation et al → Van Horn Mine; 2023-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ukpeagvik Inupiat Corporation et al → HC Contractors, LLC.; 2023-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William J Hoople Trust dated 2-25-09 et al → HC Contractors, LLC.; 2023-08-14 to current/open; source msha-controller-operator-history