# Relationship history for MSHA mine 3402026

Current hierarchy: **Summit Materials LLC → RK Hall LLC → Atoka Quarry**

- 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:** Eric H  Bettis et al → Atoka Quarry; 2004-01-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eastok Inc → Atoka Quarry; 2006-11-28 to 2017-01-24; source msha-controller-operator-history
- **controller_controls_mine:** Jim E  Powell  et al → Atoka Quarry; 2006-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jim E  Powell  et al → Eastok Inc; 2006-11-28 to 2017-01-24; source msha-controller-operator-history
- **controller_controls_operator:** Maggie L  Powell  et al → Eastok Inc; 2006-11-28 to 2017-01-24; source msha-controller-operator-history
- **operator_operates_mine:** Mid-States Materials, LLC → Atoka Quarry; 2017-01-25 to 2023-06-16; source msha-controller-operator-history
- **controller_controls_operator:** Eric H  Bettis et al → Mid-States Materials, LLC; 2017-01-25 to 2023-06-16; source msha-controller-operator-history
- **controller_controls_operator:** Matt  McPherson et al → Mid-States Materials, LLC; 2017-01-25 to 2023-06-16; source msha-controller-operator-history
- **operator_operates_mine:** RK Hall LLC → Atoka Quarry; 2023-06-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Summit Materials LLC → Atoka Quarry; 2023-06-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Summit Materials LLC → RK Hall LLC; 2023-06-17 to current/open; source msha-controller-operator-history