# Relationship history for MSHA mine 3200669

Current hierarchy: **Bradley E  Bagge → Mid-Valley Aggregates Inc → Fordville Pit**

- 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

- **controller_controls_mine:** Bradley E  Bagge → Fordville Pit; 1982-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mid-Valley Aggregates Inc → Fordville Pit; 1983-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bradley E  Bagge → Mid-Valley Aggregates Inc; 1983-08-01 to current/open; source msha-controller-operator-history