# Relationship history for MSHA mine 0103125

Current hierarchy: **Mcalister Vince → F-L Sand & Gravel Llc → PATTON ISLAND MINE**

- 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

- **operator_operates_mine:** F-L Sand & Gravel Llc → PATTON ISLAND MINE; 1998-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mcalister Vince → PATTON ISLAND MINE; 1998-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mcalister Vince → F-L Sand & Gravel Llc; 1998-06-01 to current/open; source msha-controller-operator-history