# Relationship history for MSHA mine 0103302

Current hierarchy: **Cemex S A → Ready Mix USA, LLC → Sardine South Pit #5100**

- 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

- **controller_controls_mine:** Paul W  Bryant Jr et al → Sardine South Pit #5100; 2001-06-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Southeastern Sand & Gravel, LLC → Sardine South Pit #5100; 2004-09-09 to 2011-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Paul W  Bryant Jr et al → Southeastern Sand & Gravel, LLC; 2004-09-09 to 2011-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Marc B  Tyson et al → Southeastern Sand & Gravel, LLC; 2004-09-09 to 2011-12-30; source msha-controller-operator-history
- **operator_operates_mine:** Ready Mix USA, LLC → Sardine South Pit #5100; 2011-12-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → Sardine South Pit #5100; 2011-12-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Ready Mix USA, LLC; 2011-12-31 to current/open; source msha-controller-operator-history