# Relationship history for MSHA mine 0901225

Current hierarchy: **Quikrete Construction Materials, LLC → Georgia Stone Products, LLC → Broad River**

- 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:** Broad River Crushed Stone, LLC → Broad River; 2014-01-08 to 2017-08-03; source msha-controller-operator-history
- **controller_controls_mine:** Allan W  Still → Broad River; 2014-01-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Allan W  Still → Broad River Crushed Stone, LLC; 2014-01-08 to 2017-08-03; source msha-controller-operator-history
- **operator_operates_mine:** Georgia Stone Products, LLC → Broad River; 2017-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Summit Materials LLC → Broad River; 2017-08-04 to 2025-02-09; source msha-controller-operator-history
- **controller_controls_operator:** Summit Materials LLC → Georgia Stone Products, LLC; 2017-08-04 to 2025-02-09; source msha-controller-operator-history
- **controller_controls_mine:** Quikrete Construction Materials, LLC → Broad River; 2025-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Quikrete Construction Materials, LLC → Georgia Stone Products, LLC; 2025-02-10 to current/open; source msha-controller-operator-history