# Relationship history for MSHA mine 2003671

Current hierarchy: **Jacquelyn  Gallagher; Thomas  Gallagher → Harbor Springs Excavating, Inc. → Kipp Road 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:** Harbor Springs Excavating, Inc. → Kipp Road Pit; 2024-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jacquelyn  Gallagher → Kipp Road Pit; 2024-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jacquelyn  Gallagher → Harbor Springs Excavating, Inc.; 2024-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas  Gallagher → Harbor Springs Excavating, Inc.; 2024-04-09 to current/open; source msha-controller-operator-history