# Relationship history for MSHA mine 4405644

Current hierarchy: **Tommy Joe  Owens → Puma Mining Company Inc → No1**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Wolford Lonnie W → No1; 1980-02-12 to 1982-09-01; source msha-controller-operator-history
- **operator_operates_mine:** Hope Coal Company → No1; 1981-05-01 to 1982-09-01; source msha-controller-operator-history
- **controller_controls_operator:** Wolford Lonnie W → Hope Coal Company; 1981-05-01 to 1982-09-01; source msha-controller-operator-history
- **operator_operates_mine:** Puma Mining Company Inc → No1; 1982-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tommy Joe  Owens → No1; 1982-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tommy Joe  Owens → Puma Mining Company Inc; 1982-09-02 to current/open; source msha-controller-operator-history