# Relationship history for MSHA mine 2602916

Current hierarchy: **Waterton Nevada Splitter, LLC; Waterton Nevada Splitter 2 → Solidus Resources LLC → Spring Valley**

- 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:** Solidus Resources LLC → Spring Valley; 2025-09-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Waterton Nevada Splitter 2 et al → Spring Valley; 2025-09-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Waterton Nevada Splitter 2 et al → Solidus Resources LLC; 2025-09-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Waterton Nevada Splitter, LLC et al → Solidus Resources LLC; 2025-09-16 to current/open; source msha-controller-operator-history
