# Relationship history for MSHA mine 2401736

Current hierarchy: **Davis Joe → Superior Western Corp → Gold Creek 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

- **operator_operates_mine:** Big Three Oilfield & Mining → Gold Creek Mine; 1983-08-01 to 1985-06-24; source msha-controller-operator-history
- **controller_controls_mine:** Kindt Francis → Gold Creek Mine; 1983-08-01 to 1985-06-24; source msha-controller-operator-history
- **controller_controls_operator:** Kindt Francis → Big Three Oilfield & Mining; 1983-08-01 to 1985-06-24; source msha-controller-operator-history
- **operator_operates_mine:** Montana Mining & Timber Company → Gold Creek Mine; 1985-06-25 to 1988-12-28; source msha-controller-operator-history
- **controller_controls_mine:** Willett Richard H → Gold Creek Mine; 1985-06-25 to 1988-12-28; source msha-controller-operator-history
- **controller_controls_operator:** Willett Richard H → Montana Mining & Timber Company; 1985-06-25 to 1988-12-28; source msha-controller-operator-history
- **operator_operates_mine:** Superior Western Corp → Gold Creek Mine; 1988-12-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Davis Joe → Gold Creek Mine; 1988-12-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Davis Joe → Superior Western Corp; 1988-12-29 to current/open; source msha-controller-operator-history