# Relationship history for MSHA mine 3609240

Current hierarchy: **Shawn M  O'Dell → Pop's Flagstone → Beebe 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:** Cecil  Johnson Jr → Beebe Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cecil Johnson Jr → Beebe Quarry; 2004-04-28 to 2012-01-30; source msha-controller-operator-history
- **controller_controls_operator:** Cecil  Johnson Jr → Cecil Johnson Jr; 2004-04-28 to 2012-01-30; source msha-controller-operator-history
- **operator_operates_mine:** Pop's Flagstone → Beebe Quarry; 2012-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Shawn M  O'Dell → Beebe Quarry; 2012-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shawn M  O'Dell → Pop's Flagstone; 2012-01-31 to current/open; source msha-controller-operator-history