# Relationship history for MSHA mine 4401726

Current hierarchy: **Jeffrey L  Mullins → Mullins Coal Company Inc Of Va → 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:** Mullins Coal Company Inc Of Va → No 2; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey L  Mullins → No 2; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey L  Mullins → Mullins Coal Company Inc Of Va; 1950-01-01 to current/open; source msha-controller-operator-history