# Relationship history for MSHA mine 2402409

Current hierarchy: **Frank R  Heiser → Eagle Products → Eagle Mine # One**

- 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 Products → Eagle Mine # One; 2005-06-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frank R  Heiser → Eagle Mine # One; 2005-06-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank R  Heiser → Eagle Products; 2005-06-07 to current/open; source msha-controller-operator-history