# Relationship history for MSHA mine 4607809

Current hierarchy: **James H  Booth → ARGUS ENERGY WV LLC → KIAH CREEK 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:** Pen Holdings Inc → KIAH CREEK PREPARATION PLANT; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pen Coal Corporation → KIAH CREEK PREPARATION PLANT; 1989-11-01 to 2002-12-19; source msha-controller-operator-history
- **controller_controls_operator:** Pen Holdings Inc → Pen Coal Corporation; 1989-11-01 to 2002-12-19; source msha-controller-operator-history
- **operator_operates_mine:** Argus Energy WV LLC → KIAH CREEK PREPARATION PLANT; 2002-12-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → KIAH CREEK PREPARATION PLANT; 2002-12-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Argus Energy WV LLC; 2002-12-20 to current/open; source msha-controller-operator-history