# Relationship history for MSHA mine 2801011

Current hierarchy: **CRH PLC → Oldcastle Stone Products → Lafayette Plant Oldcastle Stone Products**

- 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:** Oldcastle Stone Products → Lafayette Plant Oldcastle Stone Products; 2002-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → Lafayette Plant Oldcastle Stone Products; 2002-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Oldcastle Stone Products; 2002-10-18 to current/open; source msha-controller-operator-history