# Relationship history for MSHA mine 3901244

Current hierarchy: **Wilde Dick Jr → Dick Wilde Jr → Braun 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Dick Wilde Sr → Braun Pit; 1980-07-01 to 1993-07-26; source msha-controller-operator-history
- **controller_controls_mine:** Wilde Dick Sr → Braun Pit; 1980-07-01 to 1993-07-26; source msha-controller-operator-history
- **controller_controls_operator:** Wilde Dick Sr → Dick Wilde Sr; 1980-07-01 to 1993-07-26; source msha-controller-operator-history
- **operator_operates_mine:** Dick Wilde Jr → Braun Pit; 1993-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wilde Dick Jr → Braun Pit; 1993-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wilde Dick Jr → Dick Wilde Jr; 1993-07-27 to current/open; source msha-controller-operator-history