# Relationship history for MSHA mine 4608994

Current hierarchy: **James H  Booth → Argus Energy WV LLC → Deep Mine No 8**

- 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:** James H  Booth et al → Deep Mine No 8; 2002-12-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Argus Energy WV LLC → Deep Mine No 8; 2003-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Argus Energy WV LLC; 2003-05-05 to current/open; source msha-controller-operator-history