# Relationship history for MSHA mine 0403108

Current hierarchy: **Cirrus Holdings LLC → Ruby Gold, Inc. → RUBY 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:** J D Mc Cloud → RUBY MINE; 1950-01-01 to 1978-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Ruby Development Company → RUBY MINE; 1950-01-01 to 1978-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Ruby Development Company → J D Mc Cloud; 1950-01-01 to 1978-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Du Bois Francis E Iii → RUBY MINE; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rio Rico Mines Inc → RUBY MINE; 1978-05-01 to 1980-05-19; source msha-controller-operator-history
- **controller_controls_mine:** Kerns Dick → RUBY MINE; 1978-05-01 to 1980-05-19; source msha-controller-operator-history
- **controller_controls_operator:** Kerns Dick → Rio Rico Mines Inc; 1978-05-01 to 1980-05-19; source msha-controller-operator-history
- **operator_operates_mine:** Alhambra Mines Inc → RUBY MINE; 1980-05-20 to 1988-04-07; source msha-controller-operator-history
- **controller_controls_operator:** Du Bois Francis E Iii → Alhambra Mines Inc; 1980-05-20 to 1988-04-07; source msha-controller-operator-history
- **controller_controls_mine:** Brush Creek Mining & Development Company Inc → RUBY MINE; 1981-11-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Link Resources Usa → RUBY MINE; 1988-04-08 to 1990-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Link Resources Usa → RUBY MINE; 1988-04-08 to 1990-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Link Resources Usa → Link Resources Usa; 1988-04-08 to 1990-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Brush Creek Mining & Development Company Inc → RUBY MINE; 1990-07-01 to 2011-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Brush Creek Mining & Development Company Inc → Brush Creek Mining & Development Company Inc; 1990-07-01 to 2011-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Ruby Gold, Inc. → RUBY MINE; 2011-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** North Bay Resources Inc. → RUBY MINE; 2011-07-01 to 2026-03-13; source msha-controller-operator-history
- **controller_controls_operator:** North Bay Resources Inc. → Ruby Gold, Inc.; 2011-07-01 to 2026-03-13; source msha-controller-operator-history
- **controller_controls_mine:** Cirrus Holdings LLC → RUBY MINE; 2026-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cirrus Holdings LLC → Ruby Gold, Inc.; 2026-03-14 to current/open; source msha-controller-operator-history