# Relationship history for MSHA mine 0504767

Current hierarchy: **Emery L  Olin; Connie L  Wurst → Bridal Veil Construction, LLC → Bridal Veil 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:** Bridal Veil Construction, LLC → Bridal Veil Pit; 2003-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Connie L  Wurst  et al → Bridal Veil Pit; 2003-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Connie L  Wurst  et al → Bridal Veil Construction, LLC; 2003-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Emery L  Olin  et al → Bridal Veil Construction, LLC; 2003-05-20 to current/open; source msha-controller-operator-history