# Relationship history for MSHA mine 2102373

Current hierarchy: **Westemeier Mike → Lakes Area Asphalt Inc → Lakes Area Asphalt Incorporated**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Lakes Area Asphalt Inc → Lakes Area Asphalt Incorporated; 1986-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Westemeier Mike → Lakes Area Asphalt Incorporated; 1986-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Westemeier Mike → Lakes Area Asphalt Inc; 1986-05-01 to current/open; source msha-controller-operator-history