# Relationship history for MSHA mine 2401991

Current hierarchy: **Roy A  Moen → M & W Milling & Refining Inc → Prospect 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:** M & W Milling & Refining Inc → Prospect Mine; 1992-10-01 to 2005-01-24; source msha-controller-operator-history
- **controller_controls_mine:** Roy A  Moen et al → Prospect Mine; 1992-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roy A  Moen et al → M & W Milling & Refining Inc; 1992-10-01 to 2005-01-24; source msha-controller-operator-history
- **operator_operates_mine:** Golden Rule LLC → Prospect Mine; 2005-01-25 to 2007-10-15; source msha-controller-operator-history
- **controller_controls_mine:** Roy A  Moen et al → Prospect Mine; 2005-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roy A  Moen et al → Golden Rule LLC; 2005-01-25 to 2007-10-15; source msha-controller-operator-history
- **operator_operates_mine:** Alameda Prospect Mining & Development LLC → Prospect Mine; 2007-10-16 to 2009-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Roy A  Moen et al → Prospect Mine; 2007-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roy A  Moen et al → Alameda Prospect Mining & Development LLC; 2007-10-16 to 2009-07-29; source msha-controller-operator-history
- **operator_operates_mine:** M & W Milling & Refining, Inc. → Prospect Mine; 2009-07-30 to 2012-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Roy A  Moen et al → M & W Milling & Refining, Inc.; 2009-07-30 to 2012-07-25; source msha-controller-operator-history
- **operator_operates_mine:** Golden RAM Mining Inc → Prospect Mine; 2012-07-26 to 2012-12-02; source msha-controller-operator-history
- **controller_controls_mine:** Roy Matthew  Moen → Prospect Mine; 2012-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roy Matthew  Moen → Golden RAM Mining Inc; 2012-07-27 to 2012-12-02; source msha-controller-operator-history
- **operator_operates_mine:** M & W Milling & Refining Inc → Prospect Mine; 2012-12-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roy A  Moen et al → M & W Milling & Refining Inc; 2012-12-03 to current/open; source msha-controller-operator-history