# Relationship history for MSHA mine 4400133

Current hierarchy: **Charles S  Luck IV → Luck Stone Corporation → SOUTH RICHMOND 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:** Florida Rock Industries Inc → SOUTH RICHMOND QUARRY; 1950-01-01 to 2007-11-15; source msha-controller-operator-history
- **controller_controls_mine:** Charles S  Luck IV  et al → SOUTH RICHMOND QUARRY; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tidewater Crushed Stone & Asphalt Company → SOUTH RICHMOND QUARRY; 1950-01-01 to 1984-04-10; source msha-controller-operator-history
- **controller_controls_mine:** Bowles Inc → SOUTH RICHMOND QUARRY; 1950-01-01 to 1984-04-10; source msha-controller-operator-history
- **controller_controls_operator:** Bowles Inc → Tidewater Crushed Stone & Asphalt Company; 1950-01-01 to 1984-04-10; source msha-controller-operator-history
- **operator_operates_mine:** Florida Rock Industries Inc → SOUTH RICHMOND QUARRY; 1984-04-11 to 2008-03-27; source msha-controller-operator-history
- **controller_controls_operator:** Florida Rock Industries Inc → Florida Rock Industries Inc; 1984-04-11 to 2007-11-15; source msha-controller-operator-history
- **controller_controls_mine:** Vulcan Materials Company → SOUTH RICHMOND QUARRY; 2007-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vulcan Materials Company → Florida Rock Industries Inc; 2007-11-16 to 2008-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Luck Stone Corporation → SOUTH RICHMOND QUARRY; 2008-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles S  Luck IV  et al → Luck Stone Corporation; 2008-03-28 to current/open; source msha-controller-operator-history