# Relationship history for MSHA mine 1519747

Current hierarchy: **Phillip  Haan → Middle Fork Develpment Services #3 LLC → MFD #3**

- 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:** Middle Fork Develpment Services #3 LLC → MFD #3; 2014-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Phillip  Haan → MFD #3; 2014-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Phillip  Haan → Middle Fork Develpment Services #3 LLC; 2014-05-23 to current/open; source msha-controller-operator-history