# Relationship history for MSHA mine 4400137

Current hierarchy: **Vulcan Materials Company → Vulcan Constr. Materials, L.P. → Boozie Creek Quarry**

- 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:** Legacy Vulcan Corp (Form:Vulcan Materials Co) → Boozie Creek Quarry; 1950-01-01 to 2007-11-15; source msha-controller-operator-history
- **operator_operates_mine:** Tri State Lime Inc → Boozie Creek Quarry; 1950-01-01 to 1983-11-27; source msha-controller-operator-history
- **controller_controls_mine:** V D  Kendrick → Boozie Creek Quarry; 1950-01-01 to 1983-11-27; source msha-controller-operator-history
- **controller_controls_operator:** V D  Kendrick → Tri State Lime Inc; 1950-01-01 to 1983-11-27; source msha-controller-operator-history
- **controller_controls_mine:** A F G Industries Inc → Boozie Creek Quarry; 1979-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Piedmont Mining Company → Boozie Creek Quarry; 1983-11-28 to 1987-09-09; source msha-controller-operator-history
- **controller_controls_operator:** A F G Industries Inc → Piedmont Mining Company; 1983-11-28 to 1987-09-09; source msha-controller-operator-history
- **operator_operates_mine:** Tri State Lime & Stone Inc → Boozie Creek Quarry; 1987-09-10 to 2004-06-02; source msha-controller-operator-history
- **controller_controls_mine:** Ric  Lambert et al → Boozie Creek Quarry; 1987-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ric  Lambert et al → Tri State Lime & Stone Inc; 1987-09-10 to 2004-06-02; source msha-controller-operator-history
- **controller_controls_operator:** Hiram  Gardner et al → Tri State Lime & Stone Inc; 1987-09-10 to 2004-06-02; source msha-controller-operator-history
- **operator_operates_mine:** Vulcan Constr. Materials, L.P. → Boozie Creek Quarry; 2004-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Legacy Vulcan Corp (Form:Vulcan Materials Co) → Vulcan Constr. Materials, L.P.; 2004-06-03 to 2007-11-15; source msha-controller-operator-history
- **controller_controls_mine:** Vulcan Materials Company → Boozie Creek Quarry; 2007-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vulcan Materials Company → Vulcan Constr. Materials, L.P.; 2007-11-16 to current/open; source msha-controller-operator-history