# Relationship history for MSHA mine 4201027

Current hierarchy: **Reidhead Jimmie N → Uintah Basin Concrete → Indian Lse 14-862 3032**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Uintah Basin Concrete → Indian Lse 14-862 3032; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Reidhead Jimmie N → Indian Lse 14-862 3032; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Reidhead Jimmie N → Uintah Basin Concrete; 1950-01-01 to current/open; source msha-controller-operator-history