# Relationship history for MSHA mine 2902266

Current hierarchy: **CRH PLC → Oldcastle SW Group, Inc → CC04**

- 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

- **controller_controls_mine:** CRH PLC → CC04; 1998-01-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Consolidated Constructors, Inc. → CC04; 2004-02-20 to 2026-06-02; source msha-controller-operator-history
- **controller_controls_mine:** Joe  Kozimor et al → CC04; 2004-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joe  Kozimor et al → Consolidated Constructors, Inc.; 2004-02-20 to 2026-06-02; source msha-controller-operator-history
- **controller_controls_operator:** Stan  Kozimor et al → Consolidated Constructors, Inc.; 2004-02-20 to 2026-06-02; source msha-controller-operator-history
- **operator_operates_mine:** Oldcastle SW Group, Inc → CC04; 2026-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Oldcastle SW Group, Inc; 2026-06-03 to current/open; source msha-controller-operator-history