# Relationship history for MSHA mine 4105193

Current hierarchy: **Audrey S  Daniel; Steven  Underwood → WUUD Aggregate, LLC. → O'Donnell 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:** WUUD Aggregate, LLC. → O'Donnell Pit; 2016-02-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steven  Underwood et al → O'Donnell Pit; 2016-02-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steven  Underwood et al → WUUD Aggregate, LLC.; 2016-02-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Audrey S  Daniel et al → WUUD Aggregate, LLC.; 2016-02-02 to current/open; source msha-controller-operator-history