# Relationship history for MSHA mine 0700107

Current hierarchy: **Vulcan Materials Company → Vulcan Construction Materials, LLC → James Sand Plant**

- 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) → James Sand Plant; 1950-01-01 to 2007-11-15; source msha-controller-operator-history
- **controller_controls_mine:** David G.  Horsey et al → James Sand Plant; 2003-04-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** David G. Horsey & Sons, Inc. → James Sand Plant; 2006-04-04 to 2014-08-26; source msha-controller-operator-history
- **controller_controls_operator:** David G.  Horsey et al → David G. Horsey & Sons, Inc.; 2006-04-04 to 2014-08-26; source msha-controller-operator-history
- **controller_controls_mine:** Vulcan Materials Company → James Sand Plant; 2007-11-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Vulcan Construction Materials, LLC → James Sand Plant; 2014-08-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vulcan Materials Company → Vulcan Construction Materials, LLC; 2014-08-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Legacy Vulcan Corp (Form:Vulcan Materials Co) → Vulcan Construction Materials, LLC; 2014-08-27 to 2007-11-15; source msha-controller-operator-history