# Relationship history for MSHA mine 0101726

Current hierarchy: **Invesco International Corp → Warrior Transportation Company → Warrior Transportation Co Prep Plant**

- 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:** Warrior Transportation Company → Warrior Transportation Co Prep Plant; 1977-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Invesco International Corp → Warrior Transportation Co Prep Plant; 1977-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Invesco International Corp → Warrior Transportation Company; 1977-05-01 to current/open; source msha-controller-operator-history