# Relationship history for MSHA mine 4603267

Current hierarchy: **Gary E  Stanley → Shiloh Mining Inc → Sand Quarry**

- 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:** Seneca Sand Inc → Sand Quarry; 1950-01-01 to 1996-01-02; source msha-controller-operator-history
- **controller_controls_mine:** Joseph W  Fint → Sand Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph W  Fint → Seneca Sand Inc; 1950-01-01 to 1996-01-02; source msha-controller-operator-history
- **controller_controls_mine:** Gary E  Stanley → Sand Quarry; 1995-12-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Shiloh Mining Inc → Sand Quarry; 1996-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary E  Stanley → Shiloh Mining Inc; 1996-01-03 to current/open; source msha-controller-operator-history