# Relationship history for MSHA mine 2602706

Current hierarchy: **Gregory  Hyde; Michael  Giroux → High Desert Metals LLC → Moapa Site**

- 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:** High Desert Metals LLC → Moapa Site; 2012-08-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Giroux  et al → Moapa Site; 2012-08-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Giroux  et al → High Desert Metals LLC; 2012-08-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gregory  Hyde  et al → High Desert Metals LLC; 2012-08-20 to current/open; source msha-controller-operator-history