# Relationship history for MSHA mine 1601354

Current hierarchy: **Vulcan Materials Company → Vulcan Construction Materials, LLC → St. Rose Sand & Gravel**

- 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) → St. Rose Sand & Gravel; 1950-01-01 to 2007-11-15; source msha-controller-operator-history
- **operator_operates_mine:** Mississippi River Ventures Llc → St. Rose Sand & Gravel; 1999-06-01 to 2003-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Tarifa Et Al → St. Rose Sand & Gravel; 1999-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Tarifa Et Al → Mississippi River Ventures Llc; 1999-06-01 to 2003-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Edward L  Renton Jr Et Al → Mississippi River Ventures Llc; 1999-06-01 to 2003-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Mississippi River Materials LLC → St. Rose Sand & Gravel; 2004-01-01 to 2014-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Geneva  Forstall Et Al → St. Rose Sand & Gravel; 2004-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Geneva  Forstall Et Al → Mississippi River Materials LLC; 2004-01-01 to 2014-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Sharon E Renton Et Al → Mississippi River Materials LLC; 2004-01-01 to 2014-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Vulcan Materials Company → St. Rose Sand & Gravel; 2007-11-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Vulcan Construction Materials, LLC → St. Rose Sand & Gravel; 2014-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vulcan Materials Company → Vulcan Construction Materials, LLC; 2014-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Legacy Vulcan Corp (Form:Vulcan Materials Co) → Vulcan Construction Materials, LLC; 2014-10-01 to 2007-11-15; source msha-controller-operator-history