# Relationship history for MSHA mine 0102961

Current hierarchy: **Vulcan Materials Company → Vulcan Materials Company → FLORALA 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Legacy Vulcan Corp (Form:Vulcan Materials Co) → FLORALA QUARRY; 1950-01-01 to 2007-11-15; source msha-controller-operator-history
- **controller_controls_mine:** Rodney H  Greenway → FLORALA QUARRY; 1989-10-30 to 2000-07-06; source msha-controller-operator-history
- **operator_operates_mine:** Stovall Lime & Cattle Inc → FLORALA QUARRY; 1992-07-01 to 1996-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Barbara  Jackson → FLORALA QUARRY; 1992-07-01 to 1996-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Barbara  Jackson → Stovall Lime & Cattle Inc; 1992-07-01 to 1996-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Diamond Sand Company → FLORALA QUARRY; 1996-04-01 to 1998-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Rodney H  Greenway → Diamond Sand Company; 1996-04-01 to 1998-10-14; source msha-controller-operator-history
- **operator_operates_mine:** Vulcan Materials Company → FLORALA QUARRY; 1998-10-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Legacy Vulcan Corp (Form:Vulcan Materials Co) → Vulcan Materials Company; 1998-10-15 to 2007-11-15; source msha-controller-operator-history
- **controller_controls_mine:** Vulcan Materials Company → FLORALA QUARRY; 2007-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vulcan Materials Company → Vulcan Materials Company; 2007-11-16 to current/open; source msha-controller-operator-history