# Relationship history for MSHA mine 0102366

Current hierarchy: **Terry  Bunn; S T  Bunn Jr → S T Bunn Construction Company Inc → Bunn Plant Or Plant Operation**

- 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

- **operator_operates_mine:** S T Bunn Construction Company Inc → Bunn Plant Or Plant Operation; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terry  Bunn et al → Bunn Plant Or Plant Operation; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry  Bunn et al → S T Bunn Construction Company Inc; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** S T  Bunn Jr et al → S T Bunn Construction Company Inc; 1950-01-01 to current/open; source msha-controller-operator-history