# Relationship history for MSHA mine 0103489

Current hierarchy: **Phillip D  Kennedy; Paul D  Kennedy → Kennedy Brothers Construction LLC → John Poe 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:** Phillip D  Kennedy et al → John Poe Mine; 2008-10-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ridgeholm Energy Partners LLC → John Poe Mine; 2017-10-27 to 2018-12-02; source msha-controller-operator-history
- **controller_controls_mine:** Bradley  Lewis et al → John Poe Mine; 2017-10-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bradley  Lewis et al → Ridgeholm Energy Partners LLC; 2017-10-27 to 2018-12-02; source msha-controller-operator-history
- **controller_controls_operator:** Stephen  Holliday et al → Ridgeholm Energy Partners LLC; 2017-10-27 to 2018-12-02; source msha-controller-operator-history
- **operator_operates_mine:** Kennedy Brothers Construction LLC → John Poe Mine; 2018-12-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Phillip D  Kennedy et al → Kennedy Brothers Construction LLC; 2018-12-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul D  Kennedy et al → Kennedy Brothers Construction LLC; 2018-12-03 to current/open; source msha-controller-operator-history