# Relationship history for MSHA mine 4703365

Current hierarchy: **Brian D  Senn → Universal Developments LLC → Universal Crushing**

- 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:** Universal Developments LLC → Universal Crushing; 2003-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brian D  Senn → Universal Crushing; 2003-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian D  Senn → Universal Developments LLC; 2003-08-25 to current/open; source msha-controller-operator-history