# Relationship history for MSHA mine 0202063

Current hierarchy: **Magma Copper Company → Magma Gold Ltd → Magma Gold Ltd Mc Cabe Division**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Jerome Mining Corp → Magma Gold Ltd Mc Cabe Division; 1981-09-01 to 1985-04-02; source msha-controller-operator-history
- **controller_controls_mine:** Holmes Stanley W → Magma Gold Ltd Mc Cabe Division; 1981-09-01 to 1985-04-02; source msha-controller-operator-history
- **controller_controls_operator:** Holmes Stanley W → Jerome Mining Corp; 1981-09-01 to 1985-04-02; source msha-controller-operator-history
- **controller_controls_mine:** S F Minerals Corp → Magma Gold Ltd Mc Cabe Division; 1983-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Santa Fe Mining Inc → Magma Gold Ltd Mc Cabe Division; 1985-04-03 to 1986-09-30; source msha-controller-operator-history
- **controller_controls_operator:** S F Minerals Corp → Santa Fe Mining Inc; 1985-04-03 to 1986-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Stan West Mining Corp → Magma Gold Ltd Mc Cabe Division; 1986-10-01 to 1990-01-07; source msha-controller-operator-history
- **controller_controls_mine:** Holmes Stanley W → Magma Gold Ltd Mc Cabe Division; 1986-10-01 to 1990-01-07; source msha-controller-operator-history
- **controller_controls_operator:** Holmes Stanley W → Stan West Mining Corp; 1986-10-01 to 1990-01-07; source msha-controller-operator-history
- **operator_operates_mine:** Mc Cabe Mining Inc → Magma Gold Ltd Mc Cabe Division; 1990-01-08 to 1990-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Elders Finance Inc & Elders Resources Finance Inc → Magma Gold Ltd Mc Cabe Division; 1990-01-08 to 1990-10-16; source msha-controller-operator-history
- **controller_controls_operator:** Elders Finance Inc & Elders Resources Finance Inc → Mc Cabe Mining Inc; 1990-01-08 to 1990-10-16; source msha-controller-operator-history
- **operator_operates_mine:** Magma Gold Ltd → Magma Gold Ltd Mc Cabe Division; 1990-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Magma Copper Company → Magma Gold Ltd Mc Cabe Division; 1990-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Magma Copper Company → Magma Gold Ltd; 1990-10-17 to current/open; source msha-controller-operator-history