# Relationship history for MSHA mine 3304823

Current hierarchy: **Angel I  Durrett; David J  Durrett → Independence OH, LLC → Buckeye**

- 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

- **controller_controls_mine:** David J  Durrett et al → Buckeye; 2020-11-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Independence OH, LLC → Buckeye; 2026-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David J  Durrett et al → Independence OH, LLC; 2026-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Angel I  Durrett et al → Independence OH, LLC; 2026-04-01 to current/open; source msha-controller-operator-history