# Relationship history for MSHA mine 0202318

Current hierarchy: **The Shepherd Family Living Trust; The Lin Irrevocable Trust → Kalamazoo Materials → Bonito**

- 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:** Kalamazoo Materials → Bonito; 1986-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Paul E  D'Alessio → Bonito; 1999-10-01 to 2023-01-02; source msha-controller-operator-history
- **controller_controls_operator:** Paul E  D'Alessio → Kalamazoo Materials; 1999-10-01 to 2023-01-02; source msha-controller-operator-history
- **controller_controls_mine:** The Lin Irrevocable Trust et al → Bonito; 2023-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** The Lin Irrevocable Trust et al → Kalamazoo Materials; 2023-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** The Shepherd Family Living Trust et al → Kalamazoo Materials; 2023-01-03 to current/open; source msha-controller-operator-history