# Relationship history for MSHA mine 0103344

Current hierarchy: **Cemex S A → Ready Mix USA, LLC → McCullough Pit #5103**

- 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:** Paul W  Bryant Jr et al → McCullough Pit #5103; 2001-06-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Southeastern Sand & Gravel LLC → McCullough Pit #5103; 2006-04-03 to 2011-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Paul W  Bryant Jr et al → Southeastern Sand & Gravel LLC; 2006-04-03 to 2011-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Marc B  Tyson et al → Southeastern Sand & Gravel LLC; 2006-04-03 to 2011-12-30; source msha-controller-operator-history
- **operator_operates_mine:** Ready Mix USA, LLC → McCullough Pit #5103; 2011-12-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → McCullough Pit #5103; 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