# Relationship history for MSHA mine 1000565

Current hierarchy: **Claudia  Couture → Spencer Opal Mines → SPENCER OPAL MINES**

- 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:** Spencer Opal Mines → SPENCER OPAL MINES; 1950-01-01 to 1997-09-09; source msha-controller-operator-history
- **controller_controls_mine:** Doyle  Haight → SPENCER OPAL MINES; 1950-01-01 to 1997-09-09; source msha-controller-operator-history
- **controller_controls_operator:** Doyle  Haight → Spencer Opal Mines; 1950-01-01 to 1997-09-09; source msha-controller-operator-history
- **operator_operates_mine:** Spencer Opal Mines → SPENCER OPAL MINES; 1997-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Claudia  Couture → SPENCER OPAL MINES; 1997-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Claudia  Couture → Spencer Opal Mines; 1997-09-10 to current/open; source msha-controller-operator-history