# Relationship history for MSHA mine 0103237

Current hierarchy: **Thomas  Reed Jr → Mineral Manufacturing Corp. → Eufaula 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

- **operator_operates_mine:** Mineral Manufacturing Corp. → Eufaula Plant; 2002-11-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Thomas  Reed Jr → Eufaula Plant; 2002-11-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas  Reed Jr → Mineral Manufacturing Corp.; 2002-11-14 to current/open; source msha-controller-operator-history