# Relationship history for MSHA mine 2402473

Current hierarchy: **Linda  Geranios → Geranios Enterprises Inc → Matthews Mine Pit**

- 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

- **operator_operates_mine:** Phillips Construction LLC → Matthews Mine Pit; 2007-02-14 to 2015-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Patricia  Phillips → Matthews Mine Pit; 2007-02-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patricia  Phillips → Phillips Construction LLC; 2007-02-14 to 2015-07-29; source msha-controller-operator-history
- **operator_operates_mine:** Geranios Enterprises Inc → Matthews Mine Pit; 2015-07-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Linda  Geranios et al → Matthews Mine Pit; 2015-07-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Linda  Geranios et al → Geranios Enterprises Inc; 2015-07-30 to current/open; source msha-controller-operator-history