# Relationship history for MSHA mine 4603937

Current hierarchy: **Phares Rex M → Resource Coal Energies Inc → Resource Coal Energies Inc**

- 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

- **controller_controls_mine:** Brady Samuel D Iii → Resource Coal Energies Inc; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Brady Cline Coal Company → Resource Coal Energies Inc; 1973-01-01 to 1985-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Brady Samuel D Iii → Brady Cline Coal Company; 1973-01-01 to 1985-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Gauley Coal Sales Company → Resource Coal Energies Inc; 1985-12-01 to 1991-08-15; source msha-controller-operator-history
- **controller_controls_mine:** Cline Jack → Resource Coal Energies Inc; 1985-12-01 to 1991-08-15; source msha-controller-operator-history
- **controller_controls_operator:** Cline Jack → Gauley Coal Sales Company; 1985-12-01 to 1991-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Resource Coal Energies Inc → Resource Coal Energies Inc; 1991-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Phares Rex M → Resource Coal Energies Inc; 1991-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Phares Rex M → Resource Coal Energies Inc; 1991-08-16 to current/open; source msha-controller-operator-history