# Relationship history for MSHA mine 1518826

Current hierarchy: **Alliance Resource Partners LP → Hopkins County Coal LLC → Elk Creek 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:** Alliance Resource Partners LP → Elk Creek Mine; 1998-01-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hopkins County Coal LLC → Elk Creek Mine; 2004-12-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alliance Resource Partners LP → Hopkins County Coal LLC; 2004-12-14 to current/open; source msha-controller-operator-history