# Relationship history for MSHA mine 0202066

Current hierarchy: **Budge A F Mining Ltd → Arizona Resources Inc → United Verde Extension (Edith Shaft)**

- 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:** Brooks Fred H → United Verde Extension (Edith Shaft); 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Phelps Dodge Corp → United Verde Extension (Edith Shaft); 1950-01-01 to 2007-03-18; source msha-controller-operator-history
- **operator_operates_mine:** Phelps Dodge Corp → United Verde Extension (Edith Shaft); 1981-10-01 to 1985-06-12; source msha-controller-operator-history
- **controller_controls_operator:** Phelps Dodge Corp → Phelps Dodge Corp; 1981-10-01 to 1985-06-12; source msha-controller-operator-history
- **operator_operates_mine:** Brooks Minerals Inc → United Verde Extension (Edith Shaft); 1985-06-13 to 1986-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Brooks Fred H → Brooks Minerals Inc; 1985-06-13 to 1986-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Arizona Resources Inc → United Verde Extension (Edith Shaft); 1986-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Budge A F Mining Ltd → United Verde Extension (Edith Shaft); 1986-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Budge A F Mining Ltd → Arizona Resources Inc; 1986-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Freeport-McMoRan Inc → United Verde Extension (Edith Shaft); 2007-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Freeport-McMoRan Inc → Phelps Dodge Corp; 2007-03-19 to 1985-06-12; source msha-controller-operator-history