# Relationship history for MSHA mine 4801338

Current hierarchy: **Pacificorp (Now: Mid-American Energy Hldgs-C02046) → Pacific Minerals Inc → Leucite Hills**

- 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:** Pacific Minerals Inc → Leucite Hills; 1981-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Pacificorp (Now: Mid-American Energy Hldgs-C02046) → Leucite Hills; 1981-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pacificorp (Now: Mid-American Energy Hldgs-C02046) → Pacific Minerals Inc; 1981-01-01 to current/open; source msha-controller-operator-history