# Relationship history for MSHA mine 4604162

Current hierarchy: **Tommy Joe  Owens → T J Fuel Company Inc → No 3 Mine**

- 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:** Hunter Mining Co → No 3 Mine; 1974-01-01 to 1974-07-24; source msha-controller-operator-history
- **controller_controls_mine:** Hunter Mining Company → No 3 Mine; 1974-01-01 to 1974-07-24; source msha-controller-operator-history
- **controller_controls_operator:** Hunter Mining Company → Hunter Mining Co; 1974-01-01 to 1974-07-24; source msha-controller-operator-history
- **controller_controls_mine:** Mc Clung Harold C → No 3 Mine; 1974-04-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mc Clung Coal Company → No 3 Mine; 1974-07-25 to 1975-03-13; source msha-controller-operator-history
- **controller_controls_operator:** Mc Clung Harold C → Mc Clung Coal Company; 1974-07-25 to 1975-03-13; source msha-controller-operator-history
- **controller_controls_mine:** Tommy Joe  Owens → No 3 Mine; 1975-01-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** T J Fuel Company Inc → No 3 Mine; 1975-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tommy Joe  Owens → T J Fuel Company Inc; 1975-03-14 to current/open; source msha-controller-operator-history