# Relationship history for MSHA mine 3503038

Current hierarchy: **Cornucopia Resources Ltd → Cornucopia Gold Mines Inc → Cornucopia Mine**

- 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

- **controller_controls_mine:** Unc Resources Inc → Cornucopia Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Forest Industries Insurance Management Inc → Cornucopia Mine; 1980-09-01 to 1981-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Harpole Howard → Cornucopia Mine; 1980-09-01 to 1981-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Harpole Howard → Forest Industries Insurance Management Inc; 1980-09-01 to 1981-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Unc Mining & Milling → Cornucopia Mine; 1981-10-01 to 1986-11-18; source msha-controller-operator-history
- **controller_controls_operator:** Unc Resources Inc → Unc Mining & Milling; 1981-10-01 to 1986-11-18; source msha-controller-operator-history
- **operator_operates_mine:** Cornucopia Gold Mines Inc → Cornucopia Mine; 1986-11-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cornucopia Resources Ltd → Cornucopia Mine; 1986-11-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cornucopia Resources Ltd → Cornucopia Gold Mines Inc; 1986-11-19 to current/open; source msha-controller-operator-history