# Relationship history for MSHA mine 5001514

Current hierarchy: **Inspiration Resources Corp & Minorco → Western Gold Exploration & Mining Co-Ltd Ptnrshp → Dredge Bima**

- 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:** Western Gold Exploration & Mining Co-Ltd Ptnrshp → Dredge Bima; 1987-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Inspiration Resources Corp & Minorco → Dredge Bima; 1987-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Inspiration Resources Corp & Minorco → Western Gold Exploration & Mining Co-Ltd Ptnrshp; 1987-05-01 to current/open; source msha-controller-operator-history