# Relationship history for MSHA mine 4406867

Current hierarchy: **Alliance Resource Partners LP → Race Fork Coal Corp → R-37-Fu-R**

- 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:** Alliance Resource Partners LP → R-37-Fu-R; 1996-10-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Race Fork Coal Corp → R-37-Fu-R; 1997-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alliance Resource Partners LP → Race Fork Coal Corp; 1997-02-01 to current/open; source msha-controller-operator-history