# Relationship history for MSHA mine 4405610

Current hierarchy: **Mullins White Jr & James D Mc Intyre → L F & E Coal Company Inc → Mine No 1**

- 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:** Kennie Ray  Childers → Mine No 1; 1978-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kencoal Mining Inc → Mine No 1; 1981-03-01 to 1982-08-01; source msha-controller-operator-history
- **controller_controls_operator:** Kennie Ray  Childers → Kencoal Mining Inc; 1981-03-01 to 1982-08-01; source msha-controller-operator-history
- **operator_operates_mine:** L F & E Coal Company Inc → Mine No 1; 1982-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mullins White Jr & James D Mc Intyre → Mine No 1; 1982-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mullins White Jr & James D Mc Intyre → L F & E Coal Company Inc; 1982-08-02 to current/open; source msha-controller-operator-history