# Relationship history for MSHA mine 0901253

Current hierarchy: **Larry R  Cook → Briar Patch Quarries, LLC → Briar Patch Quarries, LLC**

- 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:** Briar Patch Quarries, LLC → Briar Patch Quarries, LLC; 2019-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Larry R  Cook → Briar Patch Quarries, LLC; 2019-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry R  Cook → Briar Patch Quarries, LLC; 2019-07-24 to current/open; source msha-controller-operator-history