# Relationship history for MSHA mine 0600788

Current hierarchy: **Robert D  Scinto → RD Scinto, Inc. → Fountain Lakes 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

- **controller_controls_mine:** Robert D  Scinto → Fountain Lakes Quarry; 2014-01-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** RD Scinto, Inc. → Fountain Lakes Quarry; 2015-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert D  Scinto → RD Scinto, Inc.; 2015-04-21 to current/open; source msha-controller-operator-history