# Relationship history for MSHA mine 0600757

Current hierarchy: **Strategic Commercial Realty Inc → Rawson Materials, Inc. → Plant #3 - Rukstela Road, Brooklyn**

- 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

- **controller_controls_mine:** O & G Industries Inc → Plant #3 - Rukstela Road, Brooklyn; 2001-04-12 to 2025-04-16; source msha-controller-operator-history
- **operator_operates_mine:** Rawson Materials, Inc. → Plant #3 - Rukstela Road, Brooklyn; 2009-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** O & G Industries Inc → Rawson Materials, Inc.; 2009-04-09 to 2025-04-16; source msha-controller-operator-history
- **controller_controls_mine:** Strategic Commercial Realty Inc → Plant #3 - Rukstela Road, Brooklyn; 2025-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Strategic Commercial Realty Inc → Rawson Materials, Inc.; 2025-04-17 to current/open; source msha-controller-operator-history