# Relationship history for MSHA mine 2003149

Current hierarchy: **Eagle Walter T Jr & Michael R Broeders → Eagle Crushing → PC 1**

- 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:** Eagle Crushing → PC 1; 2000-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eagle Walter T Jr & Michael R Broeders → PC 1; 2000-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eagle Walter T Jr & Michael R Broeders → Eagle Crushing; 2000-03-01 to current/open; source msha-controller-operator-history