# Relationship history for MSHA mine 1519599

Current hierarchy: **Randall G  Winn; Linda A  Winn → Winn Energy LLC → Wynn/Diamond 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

- **operator_operates_mine:** Winn Energy LLC → Wynn/Diamond Mine; 2011-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randall G  Winn et al → Wynn/Diamond Mine; 2011-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randall G  Winn et al → Winn Energy LLC; 2011-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Linda A  Winn et al → Winn Energy LLC; 2011-10-18 to current/open; source msha-controller-operator-history