# Relationship history for MSHA mine 1202312

Current hierarchy: **William H  Loudin → Mishawaka Concrete/Asphalt Recycling, Inc. → MISHAWAKA CONCRETE/ASPHALT RECYC**

- 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:** Mishawaka Concrete/Asphalt Recycling, Inc. → MISHAWAKA CONCRETE/ASPHALT RECYC; 2001-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** William H  Loudin → MISHAWAKA CONCRETE/ASPHALT RECYC; 2001-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William H  Loudin → Mishawaka Concrete/Asphalt Recycling, Inc.; 2001-08-22 to current/open; source msha-controller-operator-history