# Relationship history for MSHA mine 4404452

Current hierarchy: **Mullins Alcieberry → Mullins Enterprises Inc (Of Va) → No 4**

- 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:** Pittston Company → No 4; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clinchfield Coal Company → No 4; 1976-09-10 to 1981-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Clinchfield Coal Company; 1976-09-10 to 1981-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Mullins Alcieberry → No 4; 1981-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** T J & T Corp → No 4; 1981-11-09 to 1982-02-21; source msha-controller-operator-history
- **controller_controls_mine:** Elkins William R-Hursel H Et Al → No 4; 1981-11-09 to 1982-02-21; source msha-controller-operator-history
- **controller_controls_operator:** Elkins William R-Hursel H Et Al → T J & T Corp; 1981-11-09 to 1982-02-21; source msha-controller-operator-history
- **operator_operates_mine:** T J & T Corp → No 4; 1982-02-22 to 1984-12-06; source msha-controller-operator-history
- **controller_controls_mine:** Wesley D.  Burke et al → No 4; 1982-02-22 to 1984-12-06; source msha-controller-operator-history
- **controller_controls_operator:** Wesley D.  Burke et al → T J & T Corp; 1982-02-22 to 1984-12-06; source msha-controller-operator-history
- **operator_operates_mine:** Mullins Enterprises Inc (Of Va) → No 4; 1984-12-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Alcieberry → Mullins Enterprises Inc (Of Va); 1984-12-07 to current/open; source msha-controller-operator-history