# Relationship history for MSHA mine 2301768

Current hierarchy: **Cooper County-Mo → Cooper County Road Commission → Creek Plant No 1 East**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Cooper County Road Commission → Creek Plant No 1 East; 1979-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cooper County-Mo → Creek Plant No 1 East; 1979-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cooper County-Mo → Cooper County Road Commission; 1979-01-01 to current/open; source msha-controller-operator-history