# Relationship history for MSHA mine 1519838

Current hierarchy: **Alliance Resource Partners LP → Excel Mining → Excel #5**

- 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 → Excel #5; 1996-07-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Excel Mining → Excel #5; 2018-08-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alliance Resource Partners LP → Excel Mining; 2018-08-17 to current/open; source msha-controller-operator-history