# Relationship history for MSHA mine 1517232

Current hierarchy: **Alliance Resource Partners LP → Warrior Coal LLC. → Richland No 9**

- 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:** Pleasant View Mining Company Inc → Richland No 9; 1992-05-01 to 2011-10-10; source msha-controller-operator-history
- **controller_controls_mine:** Gary E  Peyton → Richland No 9; 1992-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary E  Peyton → Pleasant View Mining Company Inc; 1992-05-01 to 2011-10-10; source msha-controller-operator-history
- **controller_controls_mine:** Alliance Resource Partners LP → Richland No 9; 2001-01-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Warrior Coal LLC. → Richland No 9; 2011-10-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alliance Resource Partners LP → Warrior Coal LLC.; 2011-10-11 to current/open; source msha-controller-operator-history