# Relationship history for MSHA mine 4105819

Current hierarchy: **Ranger GP LLC → Ranger Excavating, LP → Rattlesnake Quarry**

- 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:** Ranger Excavating, LP → Rattlesnake Quarry; 2025-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ranger GP LLC → Rattlesnake Quarry; 2025-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ranger GP LLC → Ranger Excavating, LP; 2025-10-03 to current/open; source msha-controller-operator-history