# Relationship history for MSHA mine 2104030

Current hierarchy: **Central Specialties, Inc. → Central Specialties → 2000 VSI CRUSHER**

- 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

- **controller_controls_mine:** Joe  Minnerath et al → 2000 VSI CRUSHER; 1997-04-01 to 2021-01-05; source msha-controller-operator-history
- **controller_controls_mine:** Allan  Minnerath → 2000 VSI CRUSHER; 2021-01-06 to 2024-01-01; source msha-controller-operator-history
- **operator_operates_mine:** Central Specialties → 2000 VSI CRUSHER; 2022-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Allan  Minnerath → Central Specialties; 2022-05-02 to 2024-01-01; source msha-controller-operator-history
- **controller_controls_operator:** Joe  Minnerath et al → Central Specialties; 2022-05-02 to 2021-01-05; source msha-controller-operator-history
- **controller_controls_mine:** Central Specialties, Inc. → 2000 VSI CRUSHER; 2024-01-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Central Specialties, Inc. → Central Specialties; 2024-01-02 to current/open; source msha-controller-operator-history