# Relationship history for MSHA mine 4702982

Current hierarchy: **Paul J  Bugar Jr → Paul Bugar Trucking Inc. → Crusher No 1**

- 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:** Paul Bugar Trucking Inc. → Crusher No 1; 1993-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Paul J  Bugar Jr → Crusher No 1; 1993-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul J  Bugar Jr → Paul Bugar Trucking Inc.; 1993-06-01 to current/open; source msha-controller-operator-history