# Relationship history for MSHA mine 0801287

Current hierarchy: **Cemex S A → CEMEX Construction Materials Florida, LLC → Brooksville South Cement 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Florida Crushed Stone Company → Brooksville South Cement Plant; 2000-07-01 to 2010-03-04; source msha-controller-operator-history
- **controller_controls_mine:** CSR Ltd → Brooksville South Cement Plant; 2000-07-01 to 2003-03-31; source msha-controller-operator-history
- **controller_controls_operator:** CSR Ltd → Florida Crushed Stone Company; 2000-07-01 to 2003-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Rinker Group Ltd → Brooksville South Cement Plant; 2003-04-01 to 2007-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Rinker Group Ltd → Florida Crushed Stone Company; 2003-04-01 to 2007-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → Brooksville South Cement Plant; 2007-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Florida Crushed Stone Company; 2007-07-10 to 2010-03-04; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → Brooksville South Cement Plant; 2008-12-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** CEMEX Construction Materials Florida, LLC → Brooksville South Cement Plant; 2010-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → CEMEX Construction Materials Florida, LLC; 2010-03-05 to current/open; source msha-controller-operator-history