# Relationship history for MSHA mine 3402092

Current hierarchy: **Gary K  Huddleston → WILDHORSE QUARRIES, INC. → WILDHORSE #4**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Gary K  Huddleston → WILDHORSE #4; 2007-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** WILDHORSE QUARRIES, INC. → WILDHORSE #4; 2009-10-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary K  Huddleston → WILDHORSE QUARRIES, INC.; 2009-10-21 to current/open; source msha-controller-operator-history