# Relationship history for MSHA mine 2003022

Current hierarchy: **Russell  Willett → R & R Concrete and Supply LLC → Tuckey**

- 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:** Tuckey Concrete → Tuckey; 1997-07-01 to 2017-05-25; source msha-controller-operator-history
- **controller_controls_mine:** Terry  Wissner → Tuckey; 1997-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry  Wissner → Tuckey Concrete; 1997-07-01 to 2017-05-25; source msha-controller-operator-history
- **operator_operates_mine:** R & R Concrete and Supply LLC → Tuckey; 2017-05-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rick  Willett et al → Tuckey; 2017-05-26 to 2025-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Rick  Willett et al → R & R Concrete and Supply LLC; 2017-05-26 to 2025-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Russel  Willett et al → R & R Concrete and Supply LLC; 2017-05-26 to 2025-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Russell  Willett → Tuckey; 2025-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Russell  Willett → R & R Concrete and Supply LLC; 2025-12-01 to current/open; source msha-controller-operator-history