# Relationship history for MSHA mine 2302476

Current hierarchy: **Fred Weber, Inc. → Fred Weber, Inc. → C-R Recycle Plant 23-02476**

- 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

- **controller_controls_mine:** Fred Weber, Inc. → C-R Recycle Plant 23-02476; 1986-12-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fred Weber, Inc. → C-R Recycle Plant 23-02476; 2014-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fred Weber, Inc. → Fred Weber, Inc.; 2014-06-30 to current/open; source msha-controller-operator-history
