# Relationship history for MSHA mine 2402571

Current hierarchy: **Randy L.  Rice → Randy Rice → Trommel**

- 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:** Randy Rice → Trommel; 2010-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randy L.  Rice → Trommel; 2010-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy L.  Rice → Randy Rice; 2010-05-13 to current/open; source msha-controller-operator-history