# Relationship history for MSHA mine 1701141

Current hierarchy: **Larry  Smith → East Ridge Aggregate → Cornville Quarry**

- 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

- **operator_operates_mine:** East Ridge Aggregate → Cornville Quarry; 2024-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Larry  Smith → Cornville Quarry; 2024-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Smith → East Ridge Aggregate; 2024-11-06 to current/open; source msha-controller-operator-history