# Relationship history for MSHA mine 1513514

Current hierarchy: **Alliance Resource Partners LP → Warrior Coal Llc → Sunset Mine**

- 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:** Paul E  Roberts et al → Sunset Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Clark Orene → Sunset Mine; 1979-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Donaldson Creek Mining Company Inc → Sunset Mine; 1982-06-01 to 1995-07-17; source msha-controller-operator-history
- **controller_controls_operator:** Clark Orene → Donaldson Creek Mining Company Inc; 1982-06-01 to 1995-07-17; source msha-controller-operator-history
- **operator_operates_mine:** Roberts Brothers Coal Company Inc → Sunset Mine; 1995-07-18 to 2001-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Paul E  Roberts et al → Roberts Brothers Coal Company Inc; 1995-07-18 to 2001-01-26; source msha-controller-operator-history
- **operator_operates_mine:** Warrior Coal Llc → Sunset Mine; 2001-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alliance Resource Partners LP → Sunset Mine; 2001-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alliance Resource Partners LP → Warrior Coal Llc; 2001-01-27 to current/open; source msha-controller-operator-history
