# Relationship history for MSHA mine 4609654

Current hierarchy: **Petri E Koivula → Edwight Processing LLC → Rare Eagle Preparation Plant**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Mike  Jamison et al → Rare Eagle Preparation Plant; 2022-01-05 to 2022-09-22; source msha-controller-operator-history
- **controller_controls_mine:** Petri E Koivula et al → Rare Eagle Preparation Plant; 2022-09-23 to 2026-08-13; source msha-controller-operator-history
- **operator_operates_mine:** Edwight Processing LLC → Rare Eagle Preparation Plant; 2023-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Jamison et al → Edwight Processing LLC; 2023-10-18 to 2022-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Edwight Processing LLC; 2023-10-18 to 2022-09-22; source msha-controller-operator-history
- **controller_controls_operator:** John  McNab et al → Edwight Processing LLC; 2023-10-18 to 2022-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Edwight Processing LLC; 2023-10-18 to 2026-08-13; source msha-controller-operator-history
- **controller_controls_operator:** David Michael  Jamison et al → Edwight Processing LLC; 2023-10-18 to 2026-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Petri E Koivula → Rare Eagle Preparation Plant; 2026-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula → Edwight Processing LLC; 2026-08-14 to current/open; source msha-controller-operator-history