# Relationship history for MSHA mine 0901184

Current hierarchy: **Troy D  Baird; Trey  Cook → Elite Sand LLC → AKI Partnership Inc**

- 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:** Elite Sand LLC → AKI Partnership Inc; 2008-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Troy D  Baird  et al → AKI Partnership Inc; 2008-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Troy D  Baird  et al → Elite Sand LLC; 2008-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Trey  Cook  et al → Elite Sand LLC; 2008-01-28 to current/open; source msha-controller-operator-history