# Relationship history for MSHA mine 4103409

Current hierarchy: **Vulcan Materials Company → Vulcan Construction Materials, L.P. → Geronimo 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Legacy Vulcan Corp (Form:Vulcan Materials Co) → Geronimo Creek  Quarry; 1950-01-01 to 2007-11-15; source msha-controller-operator-history
- **operator_operates_mine:** R C Fulfer Company Inc → Geronimo Creek  Quarry; 1986-04-01 to 1999-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Delois  Fulfer  et al → Geronimo Creek  Quarry; 1986-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Delois  Fulfer  et al → R C Fulfer Company Inc; 1986-04-01 to 1999-06-14; source msha-controller-operator-history
- **controller_controls_operator:** Evelyn  Fulfer  et al → R C Fulfer Company Inc; 1986-04-01 to 1999-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Vulcan Construction Materials, L.P. → Geronimo Creek  Quarry; 1999-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Legacy Vulcan Corp (Form:Vulcan Materials Co) → Vulcan Construction Materials, L.P.; 1999-06-15 to 2007-11-15; source msha-controller-operator-history
- **controller_controls_mine:** Vulcan Materials Company → Geronimo Creek  Quarry; 2007-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vulcan Materials Company → Vulcan Construction Materials, L.P.; 2007-11-16 to current/open; source msha-controller-operator-history