# Relationship history for MSHA mine 3000095

Current hierarchy: **Emil J  Galasso → COBLESKILL STONE PRODUCTS INC → SCHOHARIE 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:** Cushing Stone Company Inc → SCHOHARIE QUARRY; 1950-01-01 to 1984-08-08; source msha-controller-operator-history
- **controller_controls_mine:** J F  Murphy → SCHOHARIE QUARRY; 1950-01-01 to 1984-08-08; source msha-controller-operator-history
- **controller_controls_operator:** J F  Murphy → Cushing Stone Company Inc; 1950-01-01 to 1984-08-08; source msha-controller-operator-history
- **operator_operates_mine:** Cobleskill Stone Products Inc → SCHOHARIE QUARRY; 1984-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Emil J  Galasso et al → SCHOHARIE QUARRY; 2001-11-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Emil J  Galasso et al → Cobleskill Stone Products Inc; 2001-11-23 to current/open; source msha-controller-operator-history