# Relationship history for MSHA mine 4201550

Current hierarchy: **Anfield Energy Inc → Anfield Resources Holding Corp. → Shootaring Canyon Mill**

- 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:** Consumers Power Company → Shootaring Canyon Mill; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Plateau Resources Limited → Shootaring Canyon Mill; 1979-01-01 to 1979-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Consumers Power Company → Plateau Resources Limited; 1979-01-01 to 1979-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Mountain States Mineral Enterprises Inc → Shootaring Canyon Mill; 1980-01-01 to 1980-07-31; source msha-controller-operator-history
- **controller_controls_mine:** E S  Frohling → Shootaring Canyon Mill; 1980-01-01 to 1980-07-31; source msha-controller-operator-history
- **controller_controls_operator:** E S  Frohling → Mountain States Mineral Enterprises Inc; 1980-01-01 to 1980-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Plateau Resources Limited → Shootaring Canyon Mill; 1980-08-01 to 1993-08-10; source msha-controller-operator-history
- **controller_controls_operator:** Consumers Power Company → Plateau Resources Limited; 1980-08-01 to 1993-08-10; source msha-controller-operator-history
- **operator_operates_mine:** Plateau Resources → Shootaring Canyon Mill; 1993-08-11 to 2008-04-02; source msha-controller-operator-history
- **controller_controls_mine:** U S Energy Corp → Shootaring Canyon Mill; 1993-08-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** U S Energy Corp → Plateau Resources; 1993-08-11 to 2008-04-02; source msha-controller-operator-history
- **operator_operates_mine:** Uranium One Utah Inc. → Shootaring Canyon Mill; 2008-04-03 to 2025-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Uranium One Inc → Shootaring Canyon Mill; 2008-04-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Uranium One Inc → Uranium One Utah Inc.; 2008-04-03 to 2025-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Anfield Resources Holding Corp. → Shootaring Canyon Mill; 2025-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anfield Energy Inc → Shootaring Canyon Mill; 2025-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anfield Energy Inc → Anfield Resources Holding Corp.; 2025-07-01 to current/open; source msha-controller-operator-history