# Relationship history for MSHA mine 2801025

Current hierarchy: **Christine H  Sanders; Henry J  Sanders → Hank Sanders Inc → Hank Sanders Inc Stavola Pit**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Hank Sanders Inc → Hank Sanders Inc Stavola Pit; 2009-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Henry J  Sanders et al → Hank Sanders Inc Stavola Pit; 2009-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Henry J  Sanders et al → Hank Sanders Inc; 2009-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christine H  Sanders et al → Hank Sanders Inc; 2009-04-08 to current/open; source msha-controller-operator-history