# Relationship history for MSHA mine 3002802

Current hierarchy: **Dan  Galusha; Matt  Galusha → E Galusha & Sons → Fitzgerald Pit**

- 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

- **operator_operates_mine:** E Galusha & Sons → Fitzgerald Pit; 1987-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dan  Galusha  et al → Fitzgerald Pit; 1987-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dan  Galusha  et al → E Galusha & Sons; 1987-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matt  Galusha  et al → E Galusha & Sons; 1987-07-01 to current/open; source msha-controller-operator-history