# Relationship history for MSHA mine 1511281

Current hierarchy: **Bill R  Wallace; Goebel  Zeller → Faith Coal Sales Inc → No 22**

- 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:** Moore Jimmy Lee → No 22; 1974-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Goebel  Zeller et al → No 22; 1974-09-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Moore & Moore Coal Company → No 22; 1978-04-01 to 1984-07-29; source msha-controller-operator-history
- **controller_controls_operator:** Moore Jimmy Lee → Moore & Moore Coal Company; 1978-04-01 to 1984-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Robinson Clyde → No 22; 1980-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Betty Coal Company Inc → No 22; 1984-07-30 to 1985-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Robinson Clyde → Betty Coal Company Inc; 1984-07-30 to 1985-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Faith Coal Sales Inc → No 22; 1985-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Goebel  Zeller et al → Faith Coal Sales Inc; 1985-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill R  Wallace et al → Faith Coal Sales Inc; 1985-07-08 to current/open; source msha-controller-operator-history