# Relationship history for MSHA mine 2402365

Current hierarchy: **Ollie L  St Clair; Susan K  St Clair → St. Clair Ranch Rock Pit → St. Clair Ranch Rock Pit**

- 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:** St. Clair Ranch Rock Pit → St. Clair Ranch Rock Pit; 2004-05-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ollie L  St Clair et al → St. Clair Ranch Rock Pit; 2004-05-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ollie L  St Clair et al → St. Clair Ranch Rock Pit; 2004-05-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Susan K  St Clair et al → St. Clair Ranch Rock Pit; 2004-05-12 to current/open; source msha-controller-operator-history