# Relationship history for MSHA mine 0203055

Current hierarchy: **Cemex S A → CEMEX Construction Materials South LLC → CEMEX - 107TH AVE PLANT**

- 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:** Rinker Group Ltd → CEMEX - 107TH AVE PLANT; 2004-08-01 to 2007-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Rinker Materials → CEMEX - 107TH AVE PLANT; 2004-11-01 to 2008-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Rinker Group Ltd → Rinker Materials; 2004-11-01 to 2007-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → CEMEX - 107TH AVE PLANT; 2007-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Rinker Materials; 2007-07-10 to 2008-07-31; source msha-controller-operator-history
- **operator_operates_mine:** CEMEX Construction Materials South LLC → CEMEX - 107TH AVE PLANT; 2008-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → CEMEX - 107TH AVE PLANT; 2008-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → CEMEX Construction Materials South LLC; 2008-08-01 to current/open; source msha-controller-operator-history