# Relationship history for MSHA mine 1514256

Current hierarchy: **Fox Shaffer & Joe Mc Neal → Southern National Coal Company → No 1 Strip**

- 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

- **operator_operates_mine:** Eastern Star Mining Company Inc → No 1 Strip; 1983-10-01 to 1984-02-06; source msha-controller-operator-history
- **controller_controls_mine:** Mc Neal Joe & Ed Smith → No 1 Strip; 1983-10-01 to 1984-02-06; source msha-controller-operator-history
- **controller_controls_operator:** Mc Neal Joe & Ed Smith → Eastern Star Mining Company Inc; 1983-10-01 to 1984-02-06; source msha-controller-operator-history
- **operator_operates_mine:** Southern National Coal Company → No 1 Strip; 1984-02-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fox Shaffer & Joe Mc Neal → No 1 Strip; 1984-02-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fox Shaffer & Joe Mc Neal → Southern National Coal Company; 1984-02-07 to current/open; source msha-controller-operator-history