# Relationship history for MSHA mine 1513286

Current hierarchy: **Bill R  Wallace; Goebel  Zeller → Faith Coal Sales Inc → No 6 Mine (D)**

- 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:** Goebel  Zeller et al → No 6 Mine (D); 1974-09-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** M & J Coal Company Inc → No 6 Mine (D); 1982-01-01 to 1984-07-23; source msha-controller-operator-history
- **controller_controls_mine:** Stevens Bobby & Kelly--Alta Justice → No 6 Mine (D); 1982-01-01 to 1984-07-23; source msha-controller-operator-history
- **controller_controls_operator:** Stevens Bobby & Kelly--Alta Justice → M & J Coal Company Inc; 1982-01-01 to 1984-07-23; source msha-controller-operator-history
- **operator_operates_mine:** Faith Coal Sales Inc → No 6 Mine (D); 1984-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Goebel  Zeller et al → Faith Coal Sales Inc; 1984-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill R  Wallace et al → Faith Coal Sales Inc; 1984-07-24 to current/open; source msha-controller-operator-history