# Relationship history for MSHA mine 1002221

Current hierarchy: **New JRV Topco Holdings LLC (NewCo) → Jervois Mining USA Limited → Idaho Cobalt Operation**

- 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:** Jervois Mining USA Limited → Idaho Cobalt Operation; 2011-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** eCobalt Solutions Inc → Idaho Cobalt Operation; 2011-09-01 to 2019-07-23; source msha-controller-operator-history
- **controller_controls_operator:** eCobalt Solutions Inc → Jervois Mining USA Limited; 2011-09-01 to 2019-07-23; source msha-controller-operator-history
- **controller_controls_mine:** Jervois Global Limited → Idaho Cobalt Operation; 2019-07-24 to 2025-05-08; source msha-controller-operator-history
- **controller_controls_operator:** Jervois Global Limited → Jervois Mining USA Limited; 2019-07-24 to 2025-05-08; source msha-controller-operator-history
- **controller_controls_mine:** New JRV Topco Holdings LLC (NewCo) → Idaho Cobalt Operation; 2025-05-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** New JRV Topco Holdings LLC (NewCo) → Jervois Mining USA Limited; 2025-05-09 to current/open; source msha-controller-operator-history