# Relationship history for MSHA mine 0102455

Current hierarchy: **Badgett Tom → Toltec Of Alabama Inc → Triple T Coal Co Inc Toltec No 2**

- 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:** Toltec Of Alabama Inc → Triple T Coal Co Inc Toltec No 2; 1982-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Badgett Tom → Triple T Coal Co Inc Toltec No 2; 1982-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Badgett Tom → Toltec Of Alabama Inc; 1982-03-01 to current/open; source msha-controller-operator-history