# Relationship history for MSHA mine 3101726

Current hierarchy: **Pat Watson → Pat Watson → Henson Creek Garnet 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Pat Watson → Henson Creek Garnet Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Pat Watson → Henson Creek Garnet Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pat Watson → Pat Watson; 1950-01-01 to current/open; source msha-controller-operator-history