# Relationship history for MSHA mine 1000313

Current hierarchy: **CRH PLC → Idaho Materials & Construction → TV Portable Wash Plant #1**

- 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:** Consolidated Concrete Company Inc → TV Portable Wash Plant #1; 1950-01-01 to 2006-10-05; source msha-controller-operator-history
- **controller_controls_mine:** James  Quinn → TV Portable Wash Plant #1; 1950-01-01 to 2004-06-17; source msha-controller-operator-history
- **controller_controls_operator:** James  Quinn → Consolidated Concrete Company Inc; 1950-01-01 to 2004-06-17; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → TV Portable Wash Plant #1; 2000-03-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bonnie  Short et al → TV Portable Wash Plant #1; 2004-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bonnie  Short et al → Consolidated Concrete Company Inc; 2004-06-18 to 2006-10-05; source msha-controller-operator-history
- **controller_controls_operator:** Joseph  Kuebler et al → Consolidated Concrete Company Inc; 2004-06-18 to 2006-10-05; source msha-controller-operator-history
- **operator_operates_mine:** Idaho Materials & Construction → TV Portable Wash Plant #1; 2006-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Idaho Materials & Construction; 2006-10-06 to current/open; source msha-controller-operator-history