# Relationship history for MSHA mine 4105603

Current hierarchy: **Moriah TFS Holdings LLC → Thompson Materials → Aubrye 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

- **controller_controls_mine:** Moriah TFS Holdings LLC → Aubrye Pit; 2020-02-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Caprock Materials LLC → Aubrye Pit; 2022-02-03 to 2026-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Jonathan  Ziegner → Aubrye Pit; 2022-02-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jonathan  Ziegner → Caprock Materials LLC; 2022-02-03 to 2026-05-26; source msha-controller-operator-history
- **operator_operates_mine:** Thompson Materials → Aubrye Pit; 2026-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Moriah TFS Holdings LLC → Thompson Materials; 2026-05-27 to current/open; source msha-controller-operator-history