# Relationship history for MSHA mine 0103243

Current hierarchy: **Bobby V  Hubbard → Western Erectors,  Inc. → Cedar Bark**

- 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:** Western Erectors,  Inc. → Cedar Bark; 2002-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bobby V  Hubbard → Cedar Bark; 2002-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bobby V  Hubbard → Western Erectors,  Inc.; 2002-04-24 to current/open; source msha-controller-operator-history