# Relationship history for MSHA mine 2200843

Current hierarchy: **Rodney  Grogan; Huey P Stockstill Jr. → HUEY P. STOCKSTILL ,LLC → BOONE 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

- **controller_controls_mine:** Huey P Stockstill Jr. et al → BOONE MINE; 2015-08-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** HUEY P. STOCKSTILL ,LLC → BOONE MINE; 2022-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Huey P Stockstill Jr. et al → HUEY P. STOCKSTILL ,LLC; 2022-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rodney  Grogan et al → HUEY P. STOCKSTILL ,LLC; 2022-07-20 to current/open; source msha-controller-operator-history