# Relationship history for MSHA mine 2601680

Current hierarchy: **Valdez Mine & Milling Inc & Norman Goeringer → Normac Explorations → Cherry Creek Leach Pad**

- 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:** Normac Explorations → Cherry Creek Leach Pad; 1980-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Valdez Mine & Milling Inc & Norman Goeringer → Cherry Creek Leach Pad; 1980-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Valdez Mine & Milling Inc & Norman Goeringer → Normac Explorations; 1980-10-01 to current/open; source msha-controller-operator-history