# Relationship history for MSHA mine 4105510

Current hierarchy: **Thomas  Wood; James  Cox → Kirby Limestone, LLC → Jarrell II Location**

- 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:** James  Cox et al → Jarrell II Location; 2015-06-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kirby Limestone, LLC → Jarrell II Location; 2020-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Cox et al → Kirby Limestone, LLC; 2020-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas  Wood et al → Kirby Limestone, LLC; 2020-06-30 to current/open; source msha-controller-operator-history