# Relationship history for MSHA mine 3609528

Current hierarchy: **Citore Coal Co Inc; XRP Coal Co Inc → Gator Coal LP → XRP**

- 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:** XRP Coal Co Inc et al → XRP; 2006-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Gator Coal LP → XRP; 2007-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** XRP Coal Co Inc et al → Gator Coal LP; 2007-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Citore Coal Co Inc et al → Gator Coal LP; 2007-05-31 to current/open; source msha-controller-operator-history